daemon man page on 4.4BSD

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DAEMON(3)		 BSD Library Functions Manual		     DAEMON(3)

NAME
     daemon — run in the background

SYNOPSIS
     daemon(int nochdir, int noclose);

DESCRIPTION
     The daemon() function is for programs wishing to detach themselves from
     the controlling terminal and run in the background as system daemons.

     Unless the argument nochdir is non-zero, daemon() changes the current
     working directory to the root (``/'').

     Unless the argument noclose is non-zero, daemon() will redirect standard
     input, standard output and standard error to ``/dev/null''.

ERRORS
     The function daemon() may fail and set errno for any of the errors speci‐
     fied for the library functions fork(2) and setsid(2).

SEE ALSO
     setsid(2)

HISTORY
     The daemon() function first appeared in 4.4BSD.

BSD				 June 9, 1993				   BSD
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