php man page for logout

logout(1)                                                          User Commands                                                         logout(1)

NAME
       logout - shell built-in function to exit from a login session

SYNOPSIS
   csh
       logout

DESCRIPTION
   csh
       Terminate a login shell.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+

SEE ALSO
       csh(1), login(1), attributes(5)

SunOS 5.10                                                          15 Apr 1994                                                          logout(1)