NOHUP(1) BSD Reference Manual NOHUP(1)
nohup - invoke a command immune to hangups
nohup command [arg ...]
The nohup utility invokes command with its arguments and at this time
sets the signal SIGHUP to be ignored. The signal SIGQUIT may also be set
to be ignored. If the standard output is a terminal, the standard output
is appended to the file nohup.out in the current directory. If standard
error is a terminal, it is directed to the same place as the standard
Nohup exits 1 if an error occurs, otherwise the exit status is that of
The following variable is utilized by nohup.
HOME If the output file nohup.out cannot be created in the current di-
rectory, the nohup utility uses the directory named by HOME to cre-
ate the file.
The nohup command is expected to be IEEE Std1003.2 (``POSIX'') compati-
4.4BSD June 6, 1993 1