A linux power user must know about the file compression utility tar. tar is used to store and extract files from and to an archive file. Mainly source codes distributed in tar format. Here some examples of tar usage

Converting a PDF file into an HTML or a XML file has been made easy by a small useful utility called PDFTOHTML. PdftoHTml is a Xpdf based tool which can convert PDF files to HTML or XML format. PDFTOHTML also supports encrypted files and support for images in the PDF file by converting to PNG images files.

FSlint is a simple yet very easy to use utility to find and clean various forms of lint on a filesystem. i.e., unwanted or problematic cruft in your files or file names. For example, one form of lint it finds is duplicate files. FSlint operates in both GUI and Command Line mode and the GUI is very straight forward to use especially there isn’t much of hidden menu options

Trimage is a cross-platform GUI and command-line interface to optimize image files via optipng, advpng and jpegoptim, depending on the filetype (currently, PNG and PG files are supported). It was inspired by imageoptim. All image files are losslessy compressed on the highest available compression levels.

If you want to convert .chm file to .pdf file you need to install chm2pdf application.This is A Python script that converts CHM files into PDF files. The package supports batch conversion, command line, PDF security options, password protection and compression modes. The program has Explorer-like interface.

BleachBit is a simple cool utility to delete unnecessary files on the systemt to free disk space. This includes application and browser cache, temporary fiiles and cookies. Among the many supported application files are Bash, Beagle, Epiphany, firefox, Adobe flash, java, KDE, openoffice,Opera, XChat, rpmbuild etc.

If you read our "what's new in Ubuntu 9.10 Karmic Koala" post, you must know that a new hard disk tool is now available by default in Ubuntu 9.10: Palimpsest Disk Utility, which was created by Red Hat and is a S.M.A.R.T.

LiLi USB Creater is a tool that help you create a portable and bootable USB stick running Linux system using iso image files. It is not a Linux Utility, It is a free Open source Windows application. This Software is tested for install and configure any of these Linux Distributions : Ubuntu, Fedora, Mint and many others.

On Unix platform, tar command is the primary archiving utility. Understanding various tar command options will help you master the archive file manipulation.