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1.1 ! root 1: .\" Copyright (c) 1989, 1990 The Regents of the University of California. ! 2: .\" All rights reserved. ! 3: .\" ! 4: .\" Redistribution and use in source and binary forms are permitted provided ! 5: .\" that: (1) source distributions retain this entire copyright notice and ! 6: .\" comment, and (2) distributions including binaries display the following ! 7: .\" acknowledgement: ``This product includes software developed by the ! 8: .\" University of California, Berkeley and its contributors'' in the ! 9: .\" documentation or other materials provided with the distribution and in ! 10: .\" all advertising materials mentioning features or use of this software. ! 11: .\" Neither the name of the University nor the names of its contributors may ! 12: .\" be used to endorse or promote products derived from this software without ! 13: .\" specific prior written permission. ! 14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED ! 15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF ! 16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ! 17: .\" ! 18: .\" @(#)nohup.1 6.5 (Berkeley) 7/24/90 ! 19: .\" ! 20: .Dd July 24, 1990 ! 21: .Dt NOHUP 1 ! 22: .Sh NAME ! 23: .Nm nohup ! 24: .Nd invoke a command immune to hangups ! 25: .Sh SYNOPSIS ! 26: .Nm nohup ! 27: .Ar command ! 28: .Op Ar arg ... ! 29: .Sh DESCRIPTION ! 30: The ! 31: .Nm nohup ! 32: utility invokes ! 33: .Ar command ! 34: with ! 35: its arguments ! 36: and at this time sets the signal SIGHUP ! 37: to be ignored. The signal SIGQUIT may also be set ! 38: to be ignored. ! 39: If the standard output is a terminal, the standard output is ! 40: appended to the file ! 41: .Pa nohup.out ! 42: in the current directory. ! 43: If standard error is a terminal, it is directed to the same place ! 44: as the standard output. ! 45: .Pp ! 46: .Nm Nohup ! 47: exits 1 if an error occurs, otherwise the exit status is that of ! 48: .Ar command . ! 49: .Sh ENVIRONMENT ! 50: The following variable is utilized by ! 51: .Nm nohup . ! 52: .Tw Fl ! 53: .Tp Ev HOME ! 54: If the output file ! 55: .Pa nohup.out ! 56: cannot be created in the current directory, the ! 57: .Nm nohup ! 58: utility uses the directory named by ! 59: .Ev HOME ! 60: to create the file. ! 61: .Tp ! 62: .Sh SEE ALSO ! 63: .Xr signal 3 ! 64: .Sh STANDARDS ! 65: The nohup function is expected to be POSIX 1003.2 compatible.
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