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Annotation of src/usr.bin/nice/nice.1, Revision 1.6

1.6     ! aaron       1: .\"    $OpenBSD: nice.1,v 1.5 1999/06/05 01:21:35 aaron Exp $
1.1       deraadt     2: .\"    $NetBSD: nice.1,v 1.6 1995/08/31 23:30:57 jtc Exp $
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                      4: .\" Copyright (c) 1980, 1990, 1993
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                     35: .\"    @(#)nice.1      8.1 (Berkeley) 6/6/93
                     36: .\"
                     37: .Dd June 6, 1993
                     38: .Dt NICE 1
1.5       aaron      39: .Os
1.1       deraadt    40: .Sh NAME
                     41: .Nm nice
                     42: .Nd execute a utility with an altered scheduling priority
                     43: .Sh SYNOPSIS
                     44: .Nm nice
                     45: .Op Fl n Ar increment
                     46: .Ar utility
                     47: .Op Ar argument ...
                     48: .Sh DESCRIPTION
1.5       aaron      49: .Nm
1.1       deraadt    50: runs
                     51: .Ar utility
                     52: at an altered scheduling priority.
1.5       aaron      53: If an
                     54: .Ar increment
1.1       deraadt    55: is given, it is used; otherwise
                     56: an increment of 10 is assumed.
                     57: The super-user can run utilities with priorities higher than normal by using
1.5       aaron      58: a negative
1.1       deraadt    59: .Ar increment .
                     60: The priority can be adjusted over a
1.5       aaron      61: range of \-20 (the highest) to 20 (the lowest).
1.1       deraadt    62: .Pp
1.6     ! aaron      63: The options are as follows:
1.1       deraadt    64: .Bl -tag -width indent
                     65: .It Fl n Ar increment
                     66: A positive or negative decimal integer used to modify the system scheduling
1.5       aaron      67: priority of
1.4       aaron      68: .Ar utility .
1.1       deraadt    69: .El
                     70: .Sh DIAGNOSTICS
                     71: The
1.5       aaron      72: .Nm
1.1       deraadt    73: utility shall exit with one of the following values:
                     74: .Bl -tag -width indent
1.5       aaron      75: .It 1\-125
                     76: An error occurred in the
                     77: .Nm
1.1       deraadt    78: utility.
                     79: .It 126
1.5       aaron      80: The
1.1       deraadt    81: .Ar utility
                     82: was found but could not be invoked.
                     83: .It 127
1.5       aaron      84: The
1.1       deraadt    85: .Ar utility
                     86: could not be found.
                     87: .El
                     88: .Pp
1.5       aaron      89: Otherwise, the exit status of
                     90: .Nm
                     91: shall be that of
1.1       deraadt    92: .Ar utility .
                     93: .Sh COMPATIBILITY
1.5       aaron      94: The historic
                     95: .Fl Ns Ar increment
1.1       deraadt    96: option has been deprecated but is still supported in this implementation.
                     97: .Sh SEE ALSO
                     98: .Xr csh 1 ,
1.3       deraadt    99: .Xr getpriority 2 ,
                    100: .Xr setpriority 2 ,
1.1       deraadt   101: .Xr renice 8
                    102: .Sh STANDARDS
                    103: The
1.5       aaron     104: .Nm
                    105: utility conforms to
1.1       deraadt   106: .St -p1003.2-92 .
                    107: .Sh HISTORY
                    108: A
1.5       aaron     109: .Nm
1.1       deraadt   110: utility appeared in
                    111: .At v6 .
                    112: .Sh BUGS
1.5       aaron     113: .Nm
1.1       deraadt   114: is built into
                    115: .Xr csh  1
                    116: with a slightly different syntax than described here.  The form
                    117: .Ql nice +10
                    118: nices to positive nice, and
                    119: .Ql nice \-10
                    120: can be used
                    121: by the super-user to give a process more of the processor.