3 shutdown \- graciously close the system down
9 .RI [ time-specification
13 is a program which allows a system operator to close down the system
16 informs the users why and when the system is going down. This warning
17 is issued 10 minutes before shutdown time and every minute in the last
18 5 minutes. At this time (5 minutes),
22 to prevent new users from logging in.
25 keeps a logfile of shutdowns. Every shutdown is registered in
27 if this file exists, and by
31 After these actions, a call is done to
33 which actually brings the system down.
42 for a shutdown at 3pm (twice), 15 minutes from now, or immediately.
44 The message may be used to describe why the system is going down, it may
45 also be typed on standard input with the
51 This flag prevents the system from rebooting after the shutdown. The
52 system can now be powered off. This is the default.
55 This flag indicates that the system should reboot after shutting down.
58 Reboot the system by resetting it. Normally the kernel will try to return
59 to the Boot Monitor. With
61 the system will receive a hardware reset.
64 Default CTRL-ALT-DEL shutdown for current bootloader; drops to the boot
65 monitor is possible and resets otherwise.
68 Halt the system and let the Monitor execute the given code as if typed at
69 the monitor prompt. You can for instance use
71 as a very fast way to reboot "from the top."
74 Allows the operator to type a shutdown message on standard input, that will
75 be added to the messages displayed on all terminals.
78 This option gives the possibility of terminating an already started
79 shutdown. This is only possible if shutdown time has not yet arrived.
82 Check if the system crashed. This option is not used at shutdown time,
83 but at reboot time. It tells if the file systems should be checked by
84 testing if the last entry in the wtmp file is a shutdown entry. (A
85 crude replacement for a file system clean flag.)
92 Edvard Tuinder (v892231@si.hhs.NL)