True and false (commands) can be used to ignore the success or failure of a sequence of other commands, as in the example: make … && false Setting a user's login shell to false, in /etc/passwd, effectively denies them access to an interactive shell, but their account may still be valid for other services, such as FTP. (Although /sbin/nologin, if available, may be more fitting for this purpose, as it prints a notification before terminating the session.) The programs take no "actual" parameters; in most Linux versions, the standard parameter codice_5 displays a usage summary and codice_6 displays the program version. The "true" command
Captain of the guard the leading guard for correctional institutes, regarding jails and prisons. Captain of the guard The Captain of the Guard is a position for a military force. It is also a position for jail and prison terms. A Captain of the Guard is the commanding position of a military security force. The position of Captain of the Guard is not or no longer associated with the rank of Captain. The Guard is commonly associated with bodyguard duty for royalty or head of state, but the Guard can refer to the military security force of a city or region such as a