# phpman > info > getconf

[GETCONF(1)](https://www.chedong.com/phpMan.php/man/GETCONF/1/markdown)                     Debian GNU/Linux                     [GETCONF(1)](https://www.chedong.com/phpMan.php/man/GETCONF/1/markdown)

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)](https://www.chedong.com/phpMan.php/man/sysconf/3/markdown) or
               [confstr(3)](https://www.chedong.com/phpMan.php/man/confstr/3/markdown).

       path_var

               A system configuration variable as defined by [pathconf(3)](https://www.chedong.com/phpMan.php/man/pathconf/3/markdown). 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)](https://www.chedong.com/phpMan.php/man/sysconf/3/markdown), [pathconf(3)](https://www.chedong.com/phpMan.php/man/pathconf/3/markdown), [confstr(3)](https://www.chedong.com/phpMan.php/man/confstr/3/markdown)

3rd Berkeley Distribution           squeeze                         [GETCONF(1)](https://www.chedong.com/phpMan.php/man/GETCONF/1/markdown)