chsh
Usage
chsh [options] [LOGIN]Flags
Options:
  -h, --help                    display this help message and exit
  -R, --root CHROOT_DIR         directory to chroot into
  -s, --shell SHELL             new login shell for the user accountExamples
Change default shell
$ chsh -s /bin/zsh
Password:
Changing the login shell for <user>