killall vs killall5

I learned this the hard way. In Linux, killall kills process by name whereas in Unix System V, killall does what is it is called- kill all processes. killall5 is the SystemV killall command in Linux. If you run killall5 in Linux, it will kill all processes except kernel threads(those surrounded by square bracket in ps aux output) and your login shell.

man killall5: Continue reading

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