Linux Command Directory

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.

Buy it now, or read it online on Safari Bookshelf.


znew [options] [files]

Uncompress .Z files and recompress them in .gz format.



Optimal (and slowest) compression method.


Recompress even if filename.gz already exists.


If the original .Z file is smaller than the .gz file, keep it.


Pipe data to conversion program. This saves disk space.


Test new .gz files before removing .Z files.


Verbose mode.

More Linux resources from O'Reilly >>

Popular Topics

Browse Books & Videos

International Sites

O'Reilly China O'Reilly Germany O'Reilly Japan