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The word "fork" has been used to mean "to divide in branches, go separate ways" as early as the 14th century. [2] In the software environment, the word evokes the fork system call, which causes a running process to split itself into two (almost) identical copies that (typically) diverge to perform different tasks.
Fork and its variants are typically the only way of doing so in Unix-like systems. For a process to start the execution of a different program, it first forks to create a copy of itself. Then, the copy, called the " child process ", calls the exec system call to overlay itself with the other program: it ceases execution of its former program in ...
In a computer file system, a fork is a set of data associated with a file-system object. File systems without forks only allow a single set of data for the contents ...
In Unix-like operating systems, new processes are created by the fork() system call. The PID is returned to the parent process, enabling it to refer to the child in further function calls. The parent may, for example, wait for the child to terminate with the waitpid() function, or terminate the process with kill().
fork() is the name of the system call that the parent process uses to "divide" itself ("fork") into two identical processes. After calling fork(), the created child process is an exact copy of the parent except for the return value of the fork() call. This includes open files, register state, and all memory allocations, which includes the ...
PC—Personal Computer; PCB—Printed Circuit Board; PCB—Process Control Block; PC DOS—Personal Computer Disc Operating System; PCI—Peripheral Component Interconnect; PCIe—PCI Express; PCI-X—PCI Extended; PCL—Printer Command Language; PCMCIA—Personal Computer Memory Card International Association; PCM—Pulse-Code Modulation
Branching, in version control and software configuration management, is the duplication of an object under version control (such as a source code file or a directory tree). Each object can thereafter be modified separately and in parallel so that the objects become different. In this context the objects are called branches. The users of the ...
A decompiler, DeRez, which can be used to change a resource fork back into Rez code is also included. In the structure of the resource fork, there is a piece of data called a "resource map" which stores the positions of resource data items. This can be used to allow random access to resource data based on the defined IDs and names. The resource ...