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Context English State
routines in assembly language
3,014
HP/UX compatibility
4,683
2.3
<xref linkend="table-mach-indep"/> summarizes the machine-independent software that constitutes the 4.4BSD kernel for the HP300. The numbers in column 2 are for lines of C source code, header files, and assembly language. Virtually all the software in the kernel is written in the C programming language; less than 2 percent is written in assembly language. As the statistics in <xref linkend="table-mach-dep"/> show, the machine-dependent software, excluding HP/UX and device support, accounts for a minuscule 6.9 percent of the kernel.
Only a small part of the kernel is devoted to initializing the system. This code is used when the system is <emphasis>bootstrapped</emphasis> into operation and is responsible for setting up the kernel hardware and software environment (see Chapter 14). Some operating systems (especially those with limited physical memory) discard or <emphasis>overlay</emphasis> the software that performs these functions after that software has been executed. The 4.4BSD kernel does not reclaim the memory used by the startup code because that memory space is barely 0.5 percent of the kernel resources used on a typical machine. Also, the startup code does not appear in one place in the kernel -- it is scattered throughout, and it usually appears in places logically associated with what is being initialized.
Kernel Services
The boundary between the kernel- and user-level code is enforced by hardware-protection facilities provided by the underlying hardware. The kernel operates in a separate address space that is inaccessible to user processes. Privileged operations -- such as starting I/O and halting the central processing unit (CPU) -- are available to only the kernel. Applications request services from the kernel with <emphasis>system calls</emphasis>. System calls are used to cause the kernel to execute complicated operations, such as writing data to secondary storage, and simple operations, such as returning the current time of day. All system calls appear <emphasis>synchronous</emphasis> to applications: The application does not run while the kernel does the actions associated with a system call. The kernel may finish some operations associated with a system call after it has returned. For example, a <emphasis>write</emphasis> system call will copy the data to be written from the user process to a kernel buffer while the process waits, but will usually return from the system call before the kernel buffer is written to the disk.
A system call usually is implemented as a hardware trap that changes the CPU's execution mode and the current address-space mapping. Parameters supplied by users in system calls are validated by the kernel before being used. Such checking ensures the integrity of the system. All parameters passed into the kernel are copied into the kernel's address space, to ensure that validated parameters are not changed as a side effect of the system call. System-call results are returned by the kernel, either in hardware registers or by their values being copied to user-specified memory addresses. Like parameters passed into the kernel, addresses used for the return of results must be validated to ensure that they are part of an application's address space. If the kernel encounters an error while processing a system call, it returns an error code to the user. For the C programming language, this error code is stored in the global variable <emphasis>errno</emphasis>, and the function that executed the system call returns the value -1.
User applications and the kernel operate independently of each other. 4.4BSD does not store I/O control blocks or other operating-system-related data structures in the application's address space. Each user-level application is provided an independent address space in which it executes. The kernel makes most state changes, such as suspending a process while another is running, invisible to the processes involved.
Process Management
4.4BSD supports a multitasking environment. Each task or thread of execution is termed a <emphasis>process</emphasis>. The <emphasis>context</emphasis> of a 4.4BSD process consists of user-level state, including the contents of its address space and the run-time environment, and kernel-level state, which includes scheduling parameters, resource controls, and identification information. The context includes everything used by the kernel in providing services for the process. Users can create processes, control the processes' execution, and receive notification when the processes' execution status changes. Every process is assigned a unique value, termed a <emphasis>process identifier</emphasis> (PID). This value is used by the kernel to identify a process when reporting status changes to a user, and by a user when referencing a process in a system call.
The kernel creates a process by duplicating the context of another process. The new process is termed a <emphasis>child process</emphasis> of the original <emphasis>parent process</emphasis> The context duplicated in process creation includes both the user-level execution state of the process and the process's system state managed by the kernel. Important components of the kernel state are described in Chapter 4.
Process lifecycle
_ external ref='fig1' md5='__failed__'
+----------------+ wait +----------------+
| parent process |---------------------------------&gt;| parent process |---&gt;
+----------------+ +----------------+
| ^
| fork |
V |
+----------------+ execve +----------------+ wait +----------------+
| child process |-------&gt;| child process |-------&gt;| zombie process |
+----------------+ +----------------+ +----------------+
<imageobject> <imagedata fileref="fig1"/> </imageobject> <textobject> <_:literallayout-1/> </textobject> <textobject> <phrase>Process-management system calls</phrase> </textobject>
The process lifecycle is depicted in <xref linkend="fig-process-lifecycle"/>. A process may create a new process that is a copy of the original by using the <emphasis>fork</emphasis> system call. The <emphasis>fork</emphasis> call returns twice: once in the parent process, where the return value is the process identifier of the child, and once in the child process, where the return value is 0. The parent-child relationship induces a hierarchical structure on the set of processes in the system. The new process shares all its parent's resources, such as file descriptors, signal-handling status, and memory layout.
Although there are occasions when the new process is intended to be a copy of the parent, the loading and execution of a different program is a more useful and typical action. A process can overlay itself with the memory image of another program, passing to the newly created image a set of parameters, using the system call <emphasis>execve</emphasis>. One parameter is the name of a file whose contents are in a format recognized by the system -- either a binary-executable file or a file that causes the execution of a specified interpreter program to process its contents.
A process may terminate by executing an <emphasis>exit</emphasis> system call, sending 8 bits of exit status to its parent. If a process wants to communicate more than a single byte of information with its parent, it must either set up an interprocess-communication channel using pipes or sockets, or use an intermediate file. Interprocess communication is discussed extensively in Chapter 11.
A process can suspend execution until any of its child processes terminate using the <emphasis>wait</emphasis> system call, which returns the PID and exit status of the terminated child process. A parent process can arrange to be notified by a signal when a child process exits or terminates abnormally. Using the <emphasis>wait4</emphasis> system call, the parent can retrieve information about the event that caused termination of the child process and about resources consumed by the process during its lifetime. If a process is orphaned because its parent exits before it is finished, then the kernel arranges for the child's exit status to be passed back to a special system process <emphasis>init</emphasis>: see Sections 3.1 and 14.6).
The details of how the kernel creates and destroys processes are given in Chapter 5.
Processes are scheduled for execution according to a <emphasis>process-priority</emphasis> parameter. This priority is managed by a kernel-based scheduling algorithm. Users can influence the scheduling of a process by specifying a parameter (<emphasis>nice</emphasis>) that weights the overall scheduling priority, but are still obligated to share the underlying CPU resources according to the kernel's scheduling policy.
Signals
The system defines a set of <emphasis>signals</emphasis> that may be delivered to a process. Signals in 4.4BSD are modeled after hardware interrupts. A process may specify a user-level subroutine to be a <emphasis>handler</emphasis> to which a signal should be delivered. When a signal is generated, it is blocked from further occurrence while it is being <emphasis>caught</emphasis> by the handler. Catching a signal involves saving the current process context and building a new one in which to run the handler. The signal is then delivered to the handler, which can either abort the process or return to the executing process (perhaps after setting a global variable). If the handler returns, the signal is unblocked and can be generated (and caught) again.
Alternatively, a process may specify that a signal is to be <emphasis>ignored</emphasis>, or that a default action, as determined by the kernel, is to be taken. The default action of certain signals is to terminate the process. This termination may be accompanied by creation of a <emphasis>core file</emphasis> that contains the current memory image of the process for use in postmortem debugging.
Some signals cannot be caught or ignored. These signals include <emphasis>SIGKILL</emphasis>, which kills runaway processes, and the job-control signal <emphasis>SIGSTOP</emphasis>.
A process may choose to have signals delivered on a special stack so that sophisticated software stack manipulations are possible. For example, a language supporting coroutines needs to provide a stack for each coroutine. The language run-time system can allocate these stacks by dividing up the single stack provided by 4.4BSD. If the kernel does not support a separate signal stack, the space allocated for each coroutine must be expanded by the amount of space required to catch a signal.
All signals have the same <emphasis>priority</emphasis>. If multiple signals are pending simultaneously, the order in which signals are delivered to a process is implementation specific. Signal handlers execute with the signal that caused their invocation to be blocked, but other signals may yet occur. Mechanisms are provided so that processes can protect critical sections of code against the occurrence of specified signals.
The detailed design and implementation of signals is described in Section 4.7.
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external ref='fig1basics/disk-layout' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='geom/striping' md5='__failed__'

Change compared to this translation:

external ref='fig1geom/striping' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/parallels-freebsd1' md5='__failed__'

Change compared to this translation:

external ref='figvirtualization/parallels-freebsd1' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/parallels-freebsd2' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/parallels-freebsd2' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/parallels-freebsd6' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/parallels-freebsd6' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/parallels-freebsd7' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/parallels-freebsd7' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/parallels-freebsd8' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/parallels-freebsd8' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/parallels-freebsd9' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/parallels-freebsd9' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/parallels-freebsd11' md5='__failed__'

Change compared to this translation:

external ref='figvirtualization/parallels-freebsd11' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/parallels-freebsd10' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/parallels-freebsd10' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/parallels-freebsd12' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/parallels-freebsd12' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/virtualpc-freebsd1' md5='__failed__'

Change compared to this translation:

external ref='figvirtualization/virtualpc-freebsd1' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/virtualpc-freebsd2' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/virtualpc-freebsd2' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/virtualpc-freebsd4' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/virtualpc-freebsd4' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/virtualpc-freebsd6' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/virtualpc-freebsd6' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/virtualpc-freebsd8' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/virtualpc-freebsd8' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/virtualpc-freebsd9' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/virtualpc-freebsd9' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/virtualpc-freebsd10' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/virtualpc-freebsd10' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/virtualpc-freebsd11' md5='__failed__'

Change compared to this translation:

external ref='figvirtualization/virtualpc-freebsd11' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/virtualpc-freebsd13' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/virtualpc-freebsd13' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/vmware-freebsd01' md5='__failed__'

Change compared to this translation:

external ref='figvirtualization/vmware-freebsd01' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/vmware-freebsd03' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/vmware-freebsd03' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/vmware-freebsd04' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/vmware-freebsd04' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/vmware-freebsd05' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/vmware-freebsd05' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/vmware-freebsd06' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/vmware-freebsd06' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/vmware-freebsd08' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/vmware-freebsd08' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/vmware-freebsd09' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/vmware-freebsd09' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/vmware-freebsd10' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/vmware-freebsd10' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/vmware-freebsd11' md5='__failed__'

Change compared to this translation:

external ref='figvirtualization/vmware-freebsd11' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-config-hostname' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-config-hostname' md5='__failed__'
Translated FreeBSD Doc/articles_building-products external ref='freebsd-organization' md5='__failed__'

Change compared to this translation:

external ref='fig1reebsd-organization' md5='__failed__'
Translated FreeBSD Doc/articles_committers-guide translator-credits

Change compared to this translation:

external ref='fig1' md5='__failed__'translator-credits
Translated FreeBSD Doc/books_handbook external ref='virtualization/parallels-freebsd13' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/parallels-freebsd13' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/virtualpc-freebsd7' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/virtualpc-freebsd7' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/virtualpc-freebsd12' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/virtualpc-freebsd12' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/vmware-freebsd07' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/vmware-freebsd07' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='mail/pine2' md5='__failed__'

Change compared to this translation:

external ref='fig1mail/pine2' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='mail/pine4' md5='__failed__'

Change compared to this translation:

external ref='fig1mail/pine4' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-boot-options-menu' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-boot-options-menu' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-netinstall-mirrorselect' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-netinstall-mirrorselect' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-part-guided-disk' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-part-guided-disk' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-zfs-vdev_type' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-zfs-vdev_type' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-zfs-vdev_invalid' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-zfs-vdev_invalid' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-zfs-warning' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-zfs-warning' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-final-confirmation' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-final-confirmation' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-configure-network-interface' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-configure-network-interface' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-configure-wireless-wpa2setup' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-configure-wireless-wpa2setup' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-configure-network-interface-ipv4-static' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-configure-network-interface-ipv4-static' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-configure-network-interface-ipv6-static' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-configure-network-interface-ipv6-static' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-timezone-region' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-timezone-region' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-config-services' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-config-services' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-adduser2' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-adduser2' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-finalconfiguration' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-finalconfiguration' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-mainexit' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-mainexit' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='basics/example-dir1' md5='__failed__'

Change compared to this translation:

external ref='figbasics/example-dir1' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='basics/example-dir5' md5='__failed__'

Change compared to this translation:

external ref='fig1basics/example-dir5' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/parallels-freebsd4' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/parallels-freebsd4' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='mail/mutt3' md5='__failed__'

Change compared to this translation:

external ref='fig1mail/mutt3' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='mail/mutt1' md5='__failed__'

Change compared to this translation:

external ref='figmail/mutt1' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='mail/pine3' md5='__failed__'

Change compared to this translation:

external ref='fig1mail/pine3' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='mail/pine5' md5='__failed__'

Change compared to this translation:

external ref='fig1mail/pine5' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='advanced-networking/static-routes' md5='__failed__'

Change compared to this translation:

external ref='fig1advanced-networking/static-routes' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-part-manual-addpart' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-part-manual-addpart' md5='__failed__'
Translated FreeBSD Doc/articles_vinum external ref='vinum-striped-vol' md5='__failed__'

Change compared to this translation:

external ref='fig1vinum-striped-vol' md5='__failed__'
Translated FreeBSD Doc/articles_remote-install translator-credits

Change compared to this translation:

external ref='fig1' md5='__failed__'translator-credits
Translated FreeBSD Doc/books_handbook translator-credits

Change compared to this translation:

external ref='fig1' md5='__failed__'translator-credits
Translated FreeBSD Doc/articles_serial-uart translator-credits

Change compared to this translation:

external ref='fig1' md5='__failed__'translator-credits
Translated FreeBSD Doc/books_developers-handbook external ref='sockets/sain' md5='__failed__'

Change compared to this translation:

external ref='fig1sockets/sain' md5='__failed__'
Translated FreeBSD Doc/articles_releng external ref='branches-releng6' md5='__failed__'

Change compared to this translation:

external ref='fig1branches-releng6' md5='__failed__'
Translated FreeBSD Doc/articles_vinum external ref='vinum-raid10-vol' md5='__failed__'

Change compared to this translation:

external ref='fig1vinum-raid10-vol' md5='__failed__'
Translated FreeBSD Doc/articles_releng external ref='branches-releng5' md5='__failed__'

Change compared to this translation:

external ref='fig1branches-releng5' md5='__failed__'
Translated FreeBSD Doc/articles_vm-design external ref='fig3' md5='__failed__'

Change compared to this translation:

external ref='fig13' md5='__failed__'
Translated FreeBSD Doc/articles_releng external ref='branches-head' md5='__failed__'

Change compared to this translation:

external ref='fig1branches-head' md5='__failed__'
Translated FreeBSD Doc/articles_vinum external ref='vinum-concat' md5='__failed__'

Change compared to this translation:

external ref='fig1vinum-concat' md5='__failed__'
Translated FreeBSD Doc/books_developers-handbook external ref='sockets/sainmsb' md5='__failed__'

Change compared to this translation:

external ref='fig1sockets/sainmsb' md5='__failed__'
Translated FreeBSD Doc/articles_new-users translator-credits

Change compared to this translation:

external ref='fig1' md5='__failed__'translator-credits
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-config-components' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-config-components' md5='__failed__'
Translated FreeBSD Doc/articles_ipsec-must translator-credits

Change compared to this translation:

external ref='fig1' md5='__failed__'translator-credits
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-hardening' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-hardening' md5='__failed__'
Translated FreeBSD Doc/books_developers-handbook external ref='sockets/sainlsb' md5='__failed__'

Change compared to this translation:

external ref='fig1sockets/sainlsb' md5='__failed__'
Translated FreeBSD Doc/articles_vm-design translator-credits

Change compared to this translation:

external ref='fig1' md5='__failed__'translator-credits
Translated FreeBSD Doc/articles_solid-state translator-credits

Change compared to this translation:

external ref='fig1' md5='__failed__'translator-credits
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-zfs-pool-name' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-zfs-pool-name' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-keymap-testing' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-keymap-testing' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-timezone-time' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-timezone-time' md5='__failed__'
Translated FreeBSD Doc/articles_cups translator-credits

Change compared to this translation:

external ref='fig1' md5='__failed__'translator-credits
Translated FreeBSD Doc/books_developers-handbook external ref='sockets/sainfill' md5='__failed__'

Change compared to this translation:

external ref='fig1sockets/sainfill' md5='__failed__'
Translated FreeBSD Doc/articles_building-products translator-credits

Change compared to this translation:

external ref='fig1' md5='__failed__'translator-credits
Translated FreeBSD Doc/articles_contributors translator-credits

Change compared to this translation:

external ref='fig1' md5='__failed__'translator-credits
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-configure-network-interface-ipv4' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-configure-network-interface-ipv4' md5='__failed__'
Translated FreeBSD Doc/articles_vinum external ref='vinum-raid5-org' md5='__failed__'

Change compared to this translation:

external ref='fig1vinum-raid5-org' md5='__failed__'
Translated FreeBSD Doc/books_developers-handbook external ref='sockets/layers' md5='__failed__'

Change compared to this translation:

external ref='fig1sockets/layers' md5='__failed__'
Translated FreeBSD Doc/articles_rc-scripting translator-credits

Change compared to this translation:

external ref='fig1' md5='__failed__'translator-credits
Translated FreeBSD Doc/articles_vinum external ref='vinum-striped' md5='__failed__'

Change compared to this translation:

external ref='fig1vinum-striped' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-keymap-loading' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-keymap-loading' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-zfs-rescan-devices' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-zfs-rescan-devices' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-zfs-swap-amount' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-zfs-swap-amount' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='bsdinstall/bsdinstall-timezone-date' md5='__failed__'

Change compared to this translation:

external ref='fig1bsdinstall/bsdinstall-timezone-date' md5='__failed__'
Translated FreeBSD Doc/books_handbook external ref='virtualization/parallels-freebsd5' md5='__failed__'

Change compared to this translation:

external ref='fig1virtualization/parallels-freebsd5' md5='__failed__'
Translated FreeBSD Doc/articles_freebsd-questions translator-credits

Change compared to this translation:

external ref='fig1' md5='__failed__'translator-credits

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Context
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Source string comment

(itstool) path: imageobject/imagedata This is a reference to an external file such as an image or video. When the file changes, the md5 hash will change to let you know you need to update your localized copy. The msgstr is not used at all. Set it to whatever you like once you have updated your copy of the file.

Flags
read-only
Source string location
book.translate.xml:661
String age
a year ago
Source string age
a year ago
Translation file
books/design-44bsd.pot, string 141