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How to Compress and Extract Files Using the tar Command on Linux

The tar command on Linux is used to create and extract TAR archive files. Run "tar -czvf archive-name.tar.gz /path/to/file” ...
Lifehacker

Create an Encrypted Private Directory in Ubuntu

Ubuntu 8.10, the release of the popular Linux distribution due out Oct. 30 (and code-named Intrepid Ibex), will give every user an encrypted private directory by default, one that mounts with you at ...