killall - kill processes by name
killall [-e,--exact] [-g,--process-group] [-i,--interactive]
[-q,--quiet] [-v,--verbose] [-w,--wait] [-V,--version] [-s,--signal
signal] [--] name ...
killall -l
killall -V,--version
killall sends a signal to all processes running any of the specified
commands. If no signal name is specified, SIGTERM is sent.
Signals can be specified either by name (e.g. -HUP) or by number (e.g.
-1).
If the command name contains a slash (/), processes executing that particular
file will be selected for killing, independent of their name.
killall returns a non-zero return code if no process has been killed
for any of the listed commands. If at least one process has been killed
for each command, killall returns zero.
A killall process never kills itself (but may kill other killall processes).
-e, --exact
Require an exact match for very long names. If a command name is
longer than 15 characters, the full name may be unavailable
(i.e. it is swapped out). In this case, killall will kill everything
that matches within the first 15 characters. With -e, such
entries are skipped. killall prints a message for each skipped
entry if -v is specified in addition to -e,
-g, --process-group
Kill the process group to which the process belongs. The kill
signal is only sent once per group, even if multiple processes
belonging to the same process group were found.
-i, --interactive
Interactively ask for confirmation before killing.
-l, --list
List all known signal names.
-q, --quiet
Do not complain if no processes were killed.
-v, --verbose
Report if the signal was successfully sent.
-V, --version
Display version information.
-w, --wait
Wait for all killed processes to die. killall checks once per
second if any of the killed processes still exist and only
returns if none are left. Note that killall may wait forever if
the signal was ignored, had no effect, or if the process stays
in zombie state.
/proc location of the proc file system
Killing by file only works for executables that are kept open during
execution, i.e. impure executables can't be killed this way.
Be warned that typing killall name may not have the desired effect on
non-Linux systems, especially when done by a privileged user.
killall -w doesn't detect if a process disappears and is replaced by a
new process with the same PID between scans.
Werner Almesberger <[email protected]> wrote the original version
of psmisc. Since version 20 Craig Small <[email protected]pbear.id.au>
can be blamed.
kill(1), fuser(1), pgrep(1), pidof(1), ps(1), kill(2)
Linux March 25, 2001 KILLALL(1)
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