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On the Windows family of operating systems, one can get the current process's ID using the GetCurrentProcessId() function of the Windows API, [11] and ID of other processes using GetProcessId(). [12] Internally, process ID is called a client ID, and is allocated from the same namespace as thread IDs, so these two never
It has since been available in illumos and reimplemented for the Linux and BSDs (DragonFly BSD, FreeBSD, NetBSD, and OpenBSD). It searches for all the named processes that can be specified as extended regular expression patterns, and—by default—returns their process ID. Alternatives include pidof (finds process ID given a program name) and ps.
Memory address of the process C or CP: CPU usage and scheduling information COMMAND* Name of the process, including arguments, if any NI: nice value F: Flags PID: Process ID number PPID: ID number of the process's parent process PRI: Priority of the process RSS: Resident set size: S or STAT: Process status code START or STIME: Time when the ...
In computing, Bash (short for "Bourne Again SHell,") [6] is an interactive command interpreter and command programming language [7] developed for UNIX-like operating systems.. Created in 1989 [8] by Brian Fox for the GNU Project, [9] it is supported by the Free Software Foundation [10] and designed as a 100% [11] free alternative for the Bourne shell (sh) [12] and other proprietary Unix sh
Process groups are identified by a positive integer, the process group ID, which is the process identifier of the process that is (or was) the process group leader. Process groups need not necessarily have leaders, although they always begin with one. Sessions are identified by the process group ID of the session leader.
A process control block (PCB), also sometimes called a process descriptor, is a data structure used by a computer operating system to store all the information about a process. When a process is created (initialized or installed), the operating system creates a corresponding process control block, which specifies and tracks the process state (i ...
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The Plan 9 operating system, created by the designers of Unix, includes fork but also a variant called "rfork" that permits fine-grained sharing of resources between parent and child processes, including the address space (except for a stack segment, which is unique to each process), environment variables and the filesystem namespace; [15] this ...