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AWK command to extract log files between dates

Create a mirror of a local folder, on a remote server
Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)

makes screen your default shell without breaking SCP or SFTP
I changed my shell to screen by editing .bashrc, this stopped scp from connecting. Adding two tests before screen fixed them problem.

Chmod all directories (excluding files)
+ at the end means that many filenames will be passed to every chmod call, thus making it faster. And find own {} makes sure that it will work with spaces and other characters in filenames.

Get a regular updated list of zombies
Shows all those processes; useful when building some massively forking script that could lead to zombies when you don't have your waitpid()'s done just right.

Delete a file/directory walking subdirectories (bash4 or zsh)

list files recursively by size

Find biggest 10 files in current and subdirectories and sort by file size

permanently let grep colorize its output
This will create a permanent alias to colorize the search pattern in your grep output

set your screensaver as your desktop background MAC OSX


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