Deleted Added
full compact
nohup.1 (50477) nohup.1 (51090)
1.\" Copyright (c) 1989, 1990, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" This code is derived from software contributed to Berkeley by
5.\" the Institute of Electrical and Electronics Engineers, Inc.
6.\"
7.\" Redistribution and use in source and binary forms, with or without
8.\" modification, are permitted provided that the following conditions
9.\" are met:
10.\" 1. Redistributions of source code must retain the above copyright
11.\" notice, this list of conditions and the following disclaimer.
12.\" 2. Redistributions in binary form must reproduce the above copyright
13.\" notice, this list of conditions and the following disclaimer in the
14.\" documentation and/or other materials provided with the distribution.
15.\" 3. All advertising materials mentioning features or use of this software
16.\" must display the following acknowledgement:
17.\" This product includes software developed by the University of
18.\" California, Berkeley and its contributors.
19.\" 4. Neither the name of the University nor the names of its contributors
20.\" may be used to endorse or promote products derived from this software
21.\" without specific prior written permission.
22.\"
23.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33.\" SUCH DAMAGE.
34.\"
35.\" @(#)nohup.1 8.1 (Berkeley) 6/6/93
1.\" Copyright (c) 1989, 1990, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" This code is derived from software contributed to Berkeley by
5.\" the Institute of Electrical and Electronics Engineers, Inc.
6.\"
7.\" Redistribution and use in source and binary forms, with or without
8.\" modification, are permitted provided that the following conditions
9.\" are met:
10.\" 1. Redistributions of source code must retain the above copyright
11.\" notice, this list of conditions and the following disclaimer.
12.\" 2. Redistributions in binary form must reproduce the above copyright
13.\" notice, this list of conditions and the following disclaimer in the
14.\" documentation and/or other materials provided with the distribution.
15.\" 3. All advertising materials mentioning features or use of this software
16.\" must display the following acknowledgement:
17.\" This product includes software developed by the University of
18.\" California, Berkeley and its contributors.
19.\" 4. Neither the name of the University nor the names of its contributors
20.\" may be used to endorse or promote products derived from this software
21.\" without specific prior written permission.
22.\"
23.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33.\" SUCH DAMAGE.
34.\"
35.\" @(#)nohup.1 8.1 (Berkeley) 6/6/93
36.\" $FreeBSD: head/usr.bin/nohup/nohup.1 50477 1999-08-28 01:08:13Z peter $
36.\" $FreeBSD: head/usr.bin/nohup/nohup.1 51090 1999-09-08 15:40:46Z sheldonh $
37.\"
38.Dd June 6, 1993
39.Dt NOHUP 1
40.Os
41.Sh NAME
42.Nm nohup
43.Nd invoke a command immune to hangups
44.Sh SYNOPSIS
45.Nm
46.Ar command
47.Op Ar arg ...
48.Sh DESCRIPTION
49The
50.Nm
51utility invokes
52.Ar command
53with
54its arguments
55and at this time sets the signal
56.Dv SIGHUP
57to be ignored. The signal
58.Dv SIGQUIT
59may also be set
60to be ignored.
61If the standard output is a terminal, the standard output is
62appended to the file
63.Pa nohup.out
64in the current directory.
65If standard error is a terminal, it is directed to the same place
66as the standard output.
67.Pp
68.Nm Nohup
69exits 1 if an error occurs, otherwise the exit status is that of
70.Ar command .
37.\"
38.Dd June 6, 1993
39.Dt NOHUP 1
40.Os
41.Sh NAME
42.Nm nohup
43.Nd invoke a command immune to hangups
44.Sh SYNOPSIS
45.Nm
46.Ar command
47.Op Ar arg ...
48.Sh DESCRIPTION
49The
50.Nm
51utility invokes
52.Ar command
53with
54its arguments
55and at this time sets the signal
56.Dv SIGHUP
57to be ignored. The signal
58.Dv SIGQUIT
59may also be set
60to be ignored.
61If the standard output is a terminal, the standard output is
62appended to the file
63.Pa nohup.out
64in the current directory.
65If standard error is a terminal, it is directed to the same place
66as the standard output.
67.Pp
68.Nm Nohup
69exits 1 if an error occurs, otherwise the exit status is that of
70.Ar command .
71.Pp
72Some shells may provide a builtin
73.Nm
74command which is similar or identical to this utility. Consult
75the
76.Xr builtin 1
77manual page.
71.Sh ENVIRONMENT
72The following variable is utilized by
73.Nm nohup .
74.Bl -tag -width flag
75.It Ev HOME
76If the output file
77.Pa nohup.out
78cannot be created in the current directory, the
79.Nm
80utility uses the directory named by
81.Ev HOME
82to create the file.
83.El
84.Sh SEE ALSO
78.Sh ENVIRONMENT
79The following variable is utilized by
80.Nm nohup .
81.Bl -tag -width flag
82.It Ev HOME
83If the output file
84.Pa nohup.out
85cannot be created in the current directory, the
86.Nm
87utility uses the directory named by
88.Ev HOME
89to create the file.
90.El
91.Sh SEE ALSO
92.Xr builtin 1 ,
93.Xr csh 1 ,
85.Xr signal 3
86.Sh STANDARDS
87The
88.Nm
89utility is expected to be
90.St -p1003.2
91compatible.
94.Xr signal 3
95.Sh STANDARDS
96The
97.Nm
98utility is expected to be
99.St -p1003.2
100compatible.