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Annotation of cci/usr/src/man/man1/nice.1, revision 1.1.1.1

1.1       root        1: .TH NICE 1  "18 January 1983"
                      2: .UC 4
                      3: .SH NAME
                      4: nice, nohup \- run a command at low priority (\fIsh\fR only)
                      5: .SH SYNOPSIS
                      6: .B nice
                      7: [
                      8: .BI \- number
                      9: ]
                     10: command [ arguments ]
                     11: .PP
                     12: .B nohup
                     13: command [ arguments ]
                     14: .SH DESCRIPTION
                     15: .I Nice
                     16: executes
                     17: .I command
                     18: with low scheduling priority.
                     19: If the
                     20: .I number
                     21: argument is present, the priority is incremented (higher
                     22: numbers mean lower priorities) by that amount up to a limit of 20.
                     23: The default
                     24: .I number
                     25: is 10.
                     26: .PP
                     27: The super-user may run commands with
                     28: priority higher than normal
                     29: by using a negative priority,
                     30: e.g. `\-\-10'.
                     31: .PP
                     32: .I Nohup
                     33: executes
                     34: .I command
                     35: immune to hangup and terminate signals from the controlling terminal.
                     36: The priority is incremented by 5.
                     37: .I Nohup
                     38: should be invoked from the shell with `&' in order to 
                     39: prevent it from responding to interrupts by or
                     40: stealing the input from
                     41: the next person who logs in on the same terminal.
                     42: The syntax of nice is also different.
                     43: .SH FILES
                     44: nohup.out      standard output and standard error file under
                     45: .I nohup
                     46: .SH "SEE ALSO"
                     47: csh(1), setpriority(2), renice(8)
                     48: .SH DIAGNOSTICS
                     49: .I Nice
                     50: returns the exit status of the subject command.
                     51: .SH BUGS
                     52: .I Nice
                     53: and
                     54: .I nohup
                     55: are particular to
                     56: .IR sh (1).
                     57: If you use
                     58: .IR csh (1),
                     59: then commands executed with ``&'' are automatically immune to hangup
                     60: signals while in the background.
                     61: There is a builtin command
                     62: .I nohup
                     63: which provides immunity from terminate, but it does not
                     64: redirect output to
                     65: .I nohup.out.
                     66: .PP
                     67: .I Nice
                     68: is built into
                     69: .IR csh (1)
                     70: with a slightly different syntax than described here.  The form
                     71: ``nice +10'' nices to positive nice, and ``nice \-10'' can be used
                     72: by the super-user to give a process more of the processor.

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