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killall is a command line utility available on Unix-like systems. There are two very different implementations. The implementation supplied with genuine UNIX System V (including Solaris) and Linux sysvinit tools kills all processes that the user is able to kill, potentially shutting down the system if run by root.
Kill all processes on the current virtual console (can kill X and SVGAlib programs, see below) This was originally designed to imitate a secure attention key: k: t: k: e: Shows a stack backtrace for all active CPUs. l: n: l: i: Output current memory information to the console m: m, m: Reset the nice level of all high-priority and real-time ...
However, on others such as IRIX, Linux, and FreeBSD, an argument is supplied specifying the name of the process (or processes) to kill. For instance, to kill a process such as an instance of the XMMS music player invoked by xmms, the user would run the command killall xmms. This would kill all processes named xmms, and is equivalent to kill ...
The init process is special: It does not get signals that it does not want to handle, and thus it can ignore SIGKILL. [14] An exception from this rule is while init is ptraced on Linux. [15] [16] An uninterruptibly sleeping process may not terminate (and free its resources) even when sent SIGKILL. This is one of the few cases in which a UNIX ...
A set of processes, comprising a shell pipeline, and any processes descended from it, that are all in the same process group. A job can be referred to by a handle [ b ] called the job control job ID or simply job ID , which is used by shell builtins to refer to the job.
To remove zombies from a system, the SIGCHLD signal can be sent to the parent manually, using the kill command. If the parent process still refuses to reap the zombie, and if it would be fine to terminate the parent process, the next step can be to remove the parent process. When a process loses its parent, init becomes its new parent.
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Process management Optional (UP) Display status of jobs in the current session join: Text processing Mandatory Merges two sorted text files based on the presence of a common field Version 7 AT&T UNIX kill: Process management Mandatory Terminate or signal processes Version 4 AT&T UNIX lex: C programming Optional (CD) Generate programs for ...