Killall command
From NetworkStuff
A CLI command available on Linux platforms; used to kill (or end) one or more processes specified by command name, user name or regular expression.
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Usage Syntax
kill [options] (command_name | reg_exp | user_name)
Common options include;
- -I - ignore command_name case, case insensitive matching
- -i - interactive mode, requires confirmation before killing processes
- -q - quite mode
- -r reg_exp - kill processes matching the following extended regular expression
- -u user_name - kill processes the specified user owns
- -v - verbose output
Usage Examples
killall firefox - kill all processes running the firefox command
killall -I FireFox - kill all processes running the firefox command, ignoring character case
killall -Iiv FireFox- kill all processes running the firefox command, ignoring character case; require confirmation before doing so and provide verbose output
Typical Output
[test@nstuffbox ~]$ killall -ivu sshd Kill sshd(32255) ? (y/N) y
Related Files
The killall executable is normally found here: /usr/bin/killall
Related Commands
Use the kill command to kill individual processes based on Process IDentifier (PID.) Use the ps command to find the PID of a process.
Command Alternatives
The pkill command provides equivalent functions.
Related Articles
Information on other Linux commands 
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Information on Zebra commands
Information on Secure Platform commands
Information on Blue Coat SGOS commands
Information on Nokia IPSO commands
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