Exit a login shell.

      logout [n]

Returns a status of n to the shell’s parent.

A login shell, is your topmost shell, and is started when you log in.

When you terminate a login shell (via the commands `exit’, `logout,’ or the end of file [^D]), you are logged out completely.


A ‘sub-shell’ is a shell created after login, either by loading a new shell or opening a window with a graphics interface. A sub-shell usually will not accept the command `logout’ to terminate, you must use ‘exit’ or ^D.
When you terminate a sub-shell, you are returned to the process or shell that created it.

This is a BASH shell builtin, to display your local syntax from the bash prompt type: help logout

Example (starting from a bash shell)

$ tcsh
% # now in the tcsh shell
% exit
$ # now back in the bash shell
$ logout 


Related linux commands:

exit – Exit session
<ctrl><d> – End of File
logname – Print current login name
Equivalent Windows command: EXIT – Quit the CMD shell

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