いろいろあった。チャゲ!?

$ ch[ﾀﾌﾞ]
chacl chcpu choom
chage check-bios-nx chown
chardet check-language-support chpasswd
chardetect chfn chroot
charmap chgpasswd chrt
chat chgrp chsh
chattr chmem chvt
chcon chmod