ls - maximum number of files Post: 302247442

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Top Forums UNIX for Dummies Questions & Answers ls - maximum number of files Post 302247442 by s.mascheck on Wednesday 15th of October 2008 05:56:23 PM

10-15-2008

Registered User

Quote:

Originally Posted by jim mcnamara

[...] ARG_MAX is usually way larger then 4096. And is the one that counts.

Nitpicking a bit for the records:

If the run time limit can be modified, ARG_MAX from the headers won't reflect it.
But "getconf ARG_MAX" (using the libc call "sysconf") usually is correct.

However, on systems without fixed limit (e.g. Linux-2.6.23 ff., or Hurd), even getconf might report some obsolete historic default value (and it does so on Linux).
Possible reasons might be: either trying not to confuse autoconf scripts and alike, or the libc just couldn't catch up yet.

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LEARN ABOUT PLAN9

getconf

GETCONF(1)							 Debian GNU/Linux							GETCONF(1)

NAME

       getconf - Query system configuration variables

SYNOPSIS

       getconf -a

       getconf [-v specification] system_var

       getconf [-v specification] path_var pathname

DESCRIPTION

       -a

	       Displays all configuration variables for the current system
	       and their values.

       -v

	       Indicate the specification and version for which to obtain
	       configuration variables.

       system_var

	       A system configuration variable, as defined by sysconf(3) or
	       confstr(3).

       path_var

	       A system configuration variable as defined by pathconf(3). This
	       must be used with a pathname.

AUTHOR

       getconf was written by Roland McGrath for the GNU C Library

       This man page was written by Ben Collins <bcollins@debian.org> for the Debian GNU/Linux system.

SEE ALSO

       sysconf(3), pathconf(3), confstr(3)

3rd Berkeley Distribution					      squeeze								GETCONF(1)