G XLOCK, MOTIF_TOYS, Locks the local X display till a password is entered   M xlock locks the X server till the user enters their password at the keyboard. J While xlock is running, all new server connections are refused. The screenN saver is disabled. The mouse cursor is turned off. The screen is blanked and aH changing pattern is put on the screen. The pattern changes after timeoutL seconds. If a key or a mouse button is pressed then the user is prompted for+ the password of the user who started xlock.   N If the correct password is typed, then the screen is unlocked and the X serverN is restored.  When typing the password, characters are echoed to the screen asL question marks (?), and Control-U and Control-H are active as kill and eraseN respectively.  To return to the locked screen, click in the small icon version of the changing pattern.      