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NOHUP(1)                                 BSD General Commands Manual                                NOHUP(1)

NAME
     nohup -- invoke a utility immune to hangups

SYNOPSIS
     nohup [--] utility [arguments]

DESCRIPTION
     The nohup utility invokes utility with its arguments and at this time sets the signal SIGHUP 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 output.

     Some shells may provide a builtin nohup command which is similar or identical to this utility.  Consult
     the builtin(1) manual page.

ENVIRONMENT
     The following variables are utilized by nohup:

     HOME  If the output file nohup.out cannot be created in the current directory, the nohup utility uses
           the directory named by HOME to create the file.

     PATH  Used to locate the requested utility if the name contains no `/' characters.

EXIT STATUS
     The nohup utility exits with one of the following values:

     126     The utility was found, but could not be invoked.

     127     The utility could not be found or an error occurred in nohup.

     Otherwise, the exit status of nohup will be that of utility.

SEE ALSO
     builtin(1), csh(1), signal(3)

STANDARDS
     The nohup utility is expected to be IEEE Std 1003.2 (``POSIX.2'') compatible.

BUGS
     Two or more instances of nohup can append to the same file, which makes for a confusing output.

BSD                                             July 19, 2001                                            BSD