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ulimit(1)							     ulimit(1)

NAME    [Toc]    [Back]

     ulimit - set or report file size limit

SYNOPSIS    [Toc]    [Back]

     ulimit [-f][blocks]

DESCRIPTION    [Toc]    [Back]

     The ulimit	utility	sets or	reports	the file-size writing limit imposed on
     files written by the shell	and its	child processes	(files of any size may
     be	read). Only a process with appropriate privileges can increase the

OPTIONS    [Toc]    [Back]

     The ulimit	utility	supports the XBD specification,	Utility	Syntax

     The following option is supported:

     -f	 Set (or report, if no blocks operand is present), the file size limit
	 in blocks. The	-f option is also the default case.

OPERANDS    [Toc]    [Back]

     The following operand is supported:

     blocks  The number	of 512-byte blocks to use as the new file size limit.

STDOUT    [Toc]    [Back]

     The standard output is used when no blocks	operand	is present. If the
     current number of blocks is limited, the number of	blocks in the current
     limit is written in the following format:

	  "%d\n", <number of 512-byte blocks>

     If	there is no current limit on the number	of blocks, in the POSIX	locale
     the following format is used:


EXIT STATUS    [Toc]    [Back]

     The following exit	values are returned:

     0	 Successful completion.

     >0	 A request for a higher	limit was rejected or an error occurred.

APPLICATION USAGE    [Toc]    [Back]

     Since ulimit affects the current shell execution environment, it is
     always provided as	a shell	regular	built-in. If it	is called in separate
     utility execution environment, such as one	of the following:

									Page 1

ulimit(1)							     ulimit(1)

	  nohup	ulimit -f 10000
	  env ulimit 10000

     it	will not affect	the file size limit of the caller's environment.

     Once a limit has been decreased by	a process, it cannot be	increased
     (unless appropriate privileges are	involved), even	back to	the original
     system limit.

EXAMPLES    [Toc]    [Back]

     Set the file size limit to	51,200 bytes:

	  ulimit -f 100

SEE ALSO    [Toc]    [Back]

     sh(1), bsh(1)

									PPPPaaaaggggeeee 2222
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