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Linux in a Nutshell

This directory of Linux commands is from Linux in a Nutshell, 5th Edition.

Click on any of the 687 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Bookshelf.

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autoreconf [options]

GNU autoconf tool. Update configure scripts by running autoconf, autoheader, aclocal, automake, and libtoolize in specified directories and subdirectories. This command is seldom invoked manually. It is usually called automatically from other autoconf tools.


-d, --debug

Don't remove temporary files.

-f, --force

Remake all configure scripts, even when newer than their template files.

-h, --help

Print help message, then exit.

-i, --install

Add any default files missing from package by copying versions included with autoconf and automake.

-s, --symlink

Used with the -i option. Create symbolic links to default files instead of copying them.

-v, --verbose

Verbosely print information about the progress of autoreconf.

-I dir, --include=dir

Search in directory dir for input files.

-V, --version

Print version number, then exit.

-W category, --warnings=category

Print any warnings related to category. Accepted categories are:


Cross compilation.


Obsolete constructs.


Questionable syntax.


All warnings.


Turn off warnings for category.


Turn off all warnings.


Treat warnings as errors.

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