|NOHUP(1)||General Commands Manual||NOHUP(1)|
||utility [arg ...]|
nohupcommand allows the specified utility to be protected from termination if the user should become logged out (for example, due to a modem line or TCP/IP connection being dropped). To do this,
SIGHUPsignal(3) (“terminal line hangup”) to be ignored, then executes utility along with any arguments.
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 output.
If the output file nohup.out cannot be
created in the current directory,
nohup attempts to
create the file in the user's home directory. If the file
nohup.out cannot be created, either in the current
directory or the user's home directory,
exit without invoking utility, with an exit value as
nohuputility exits with one of the following values:
Otherwise, the exit status of
be that of utility.
nohuputility is compliant with the IEEE Std 1003.1-2008 (“POSIX.1”) specification.
nohup also exists as a built-in to
csh(1), though with a different syntax.
|September 29, 2010||OpenBSD-current|