1.\" Copyright (c) 1989, 1990 The Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" %sccs.include.redist.man% 5.\" 6.\" @(#)nohup.1 6.6 (Berkeley) 03/14/91 7.\" 8.Vx 9.Vx 10.Dd 11.Dt NOHUP 1 12.Sh NAME 13.Nm nohup 14.Nd invoke a command immune to hangups 15.Sh SYNOPSIS 16.Nm nohup 17.Ar command 18.Op Ar arg ... 19.Sh DESCRIPTION 20The 21.Nm nohup 22utility invokes 23.Ar command 24with 25its arguments 26and at this time sets the signal SIGHUP 27to be ignored. The signal SIGQUIT may also be set 28to be ignored. 29If the standard output is a terminal, the standard output is 30appended to the file 31.Pa nohup.out 32in the current directory. 33If standard error is a terminal, it is directed to the same place 34as the standard output. 35.Pp 36.Nm Nohup 37exits 1 if an error occurs, otherwise the exit status is that of 38.Ar command . 39.Sh ENVIRONMENT 40The following variable is utilized by 41.Nm nohup . 42.Tw Fl 43.Tp Ev HOME 44If the output file 45.Pa nohup.out 46cannot be created in the current directory, the 47.Nm nohup 48utility uses the directory named by 49.Ev HOME 50to create the file. 51.Tp 52.Sh SEE ALSO 53.Xr signal 3 54.Sh STANDARDS 55The nohup function is expected to be POSIX 1003.2 compatible. 56