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30 .\" @(#)lock.1 8.1 (Berkeley) 6/6/93
37 .Nd reserve a terminal
44 requests a password from the user, reads it again for verification
45 and then will normally not relinquish the terminal until the password is
47 There are two other conditions under which it will terminate: it
48 will timeout after some interval of time and it may be killed by someone
49 with the appropriate permission.
56 The terminal will be locked indefinitely or until current challenge is met.
58 A password is not requested, instead the user's current login password
60 If the user has an S/Key key, they may also use it
61 to unlock the terminal.
62 To do this the user should enter "s/key" at the unlock "Key:" prompt.
63 The user will then be issued an S/Key challenge to which they may respond
64 with a six-word S/Key one-time password.
66 The time limit (default 15 minutes) is changed to