su - manual page for su 1.31.1
su [-lmp] [-] [-s SH] [USER [SCRIPT ARGS /
-c 'CMD' ARG0 ARGS]]
BusyBox v1.31.1 (2020-04-30 13:38:01 EDT) multi-call binary.
Run shell under USER (by default, root)
- Clear environment, go to home dir, run shell as login shell
- Do not set new $HOME, $SHELL, $USER, $LOGNAME
- -c CMD
- Command to pass to 'sh -c'
- -s SH
- Shell to use instead of user's default