How ti change a user’s shell using unix?

My organization is having just a little trouble wanting to change the actual shell of the user implementing unix.It’s for just a class and I just now can not tumble.My groupname is definitely unix1 customer name is usually mike.You want to alter the default shell on the user microphone to rbash.Thanks ahead.

On Slackware Linux, that is certainly close to UNIX, it truly is usermod -s.

This is the page about doing work on the majority of BSD’s:

http://www.ivorde.ro/Change_user_shell_on_FreeBSD_Linux_and_AIX-47.code.