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Annotation of src/usr.bin/nohup/nohup.1, Revision 1.9

1.9     ! jmc         1: .\"    $OpenBSD: nohup.1,v 1.8 2003/06/03 02:56:14 millert Exp $
1.1       deraadt     2: .\"    $NetBSD: nohup.1,v 1.5 1995/08/31 23:35:24 jtc Exp $
                      3: .\"
                      4: .\" Copyright (c) 1989, 1990, 1993
                      5: .\"    The Regents of the University of California.  All rights reserved.
                      6: .\"
                      7: .\" This code is derived from software contributed to Berkeley by
                      8: .\" the Institute of Electrical and Electronics Engineers, Inc.
                      9: .\"
                     10: .\" Redistribution and use in source and binary forms, with or without
                     11: .\" modification, are permitted provided that the following conditions
                     12: .\" are met:
                     13: .\" 1. Redistributions of source code must retain the above copyright
                     14: .\"    notice, this list of conditions and the following disclaimer.
                     15: .\" 2. Redistributions in binary form must reproduce the above copyright
                     16: .\"    notice, this list of conditions and the following disclaimer in the
                     17: .\"    documentation and/or other materials provided with the distribution.
1.8       millert    18: .\" 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    19: .\"    may be used to endorse or promote products derived from this software
                     20: .\"    without specific prior written permission.
                     21: .\"
                     22: .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     23: .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     24: .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     25: .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     26: .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     27: .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     28: .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     29: .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     30: .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     31: .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     32: .\" SUCH DAMAGE.
                     33: .\"
                     34: .\"    @(#)nohup.1     8.1 (Berkeley) 6/6/93
                     35: .\"
                     36: .Dd June 6, 1993
                     37: .Dt NOHUP 1
                     38: .Os
                     39: .Sh NAME
                     40: .Nm nohup
                     41: .Nd invoke a command immune to hangups
                     42: .Sh SYNOPSIS
                     43: .Nm nohup
                     44: .Ar utility
                     45: .Op Ar arg ...
                     46: .Sh DESCRIPTION
                     47: The
                     48: .Nm nohup
1.9     ! jmc        49: command invokes
        !            50: .Ar utility
1.1       deraadt    51: with
                     52: its arguments
                     53: and at this time sets the signal
                     54: .Dv SIGHUP
1.5       aaron      55: to be ignored.
1.1       deraadt    56: If the standard output is a terminal, the standard output is
                     57: appended to the file
                     58: .Pa nohup.out
                     59: in the current directory.
                     60: If standard error is a terminal, it is directed to the same place
                     61: as the standard output.
1.6       aaron      62: .Pp
1.1       deraadt    63: The
                     64: .Nm nohup
1.9     ! jmc        65: command shall exit with one of the following values:
1.6       aaron      66: .Pp
                     67: .Bl -tag -width Ds -offset indent -compact
1.1       deraadt    68: .It 126
                     69: The
                     70: .Ar utility
                     71: was found but could not be invoked.
                     72: .It 127
                     73: The
                     74: .Ar utility
1.5       aaron      75: could not be found or an error occurred in
1.4       aaron      76: .Nm nohup .
1.1       deraadt    77: .El
                     78: .Pp
1.5       aaron      79: Otherwise, the exit status of
1.1       deraadt    80: .Nm nohup
1.5       aaron      81: shall be that of
1.1       deraadt    82: .Ar utility .
1.6       aaron      83: .Sh ENVIRONMENT
                     84: .Bl -tag -width flag
                     85: .It Ev HOME
                     86: If the output file
                     87: .Pa nohup.out
                     88: cannot be created in the current directory, the
                     89: .Nm nohup
                     90: utility uses the directory named by
                     91: .Ev HOME
                     92: to create the file.
                     93: .El
1.1       deraadt    94: .Sh SEE ALSO
                     95: .Xr signal 3
                     96: .Sh STANDARDS
                     97: The
                     98: .Nm nohup
                     99: command is expected to be
                    100: .St -p1003.2
                    101: compatible.