bash - "Aliasing" of Commands with Arguments -

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• can alias subcommand? (shortening output of `docker ps`) 1 answer

i know commands can aliased through shell, such as

alias mv="cp"

but want similar arguments (and yes, have seen other question, question different). similar to:

sshkill() {   service sshd restart  } alias sshkill="killall sshd"

but doesn't work.

i wish prevent users directly killing sshd (at least accident) , make restart (this server has happened more once). so, rather aliasing, there way prevent command killall sshd being executed , rather executing service sshd restart instead?

you want intercept killall, so:

killall() {   if [ "$1" = "sshd" ];     echo "some warning message, , perhaps service sshd restart"   else     command killall "$@"   fi }