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A DESTRUCTIVE command to render a drive unbootable
Overwrites the boot sector. Since this doesn't overwrite any data, you can usually recover by re-creating the partition table exactly the same as before you zeroed it. This can also help sometimes if you install a new drive in a Windows machine which can't read it.

shell function to make gnu info act like man.
I use this alias in my bashrc. The --vi-keys option makes info use vi-like and less-like key bindings.

Scroll up (or Down (PgDn)) in any terminal session (except KDE)

A "Web 2.0" domain name generator and look for register availability
You would need pwgen installed first, on ubuntu you can get it by apt-get $ sudo apt-get install pwgen

STAT Function showing ALL info, stat options, and descriptions
This shows every bit of information that stat can get for any file, dir, fifo, etc. It's great because it also shows the format and explains it for each format option. If you just want stat help, create this handy alias 'stath' to display all format options with explanations. $ alias stath="stat --h|sed '/Th/,/NO/!d;/%/!d'" To display on 2 lines: $ ( F=/etc/screenrc N=c IFS=$'\n'; for L in $(sed 's/%Z./%Z\n/'

Application network trace based on application name
This command takes an application name as an argument and then it will listen to the tcp traffic and capture packets matching the process Id of the application. The output shows: local address / local port / Remote Address / Remote port / State / Owning Process ID

Create date-based tgz of current dir, runs in the background, very very cool
This is freaking sweet!!! Here is the full alias, (I didn't want to cause display problems on commandlinefu.com's homepage): $ alias tarred='( ( D=`builtin pwd`; F=$(date +$HOME/`sed "s,[/ ],#,g"

Debug redirects between production reloads
Watches the headers of a curl, following any redirects and printing only the HTTP status and the location of the possible redirects.

Given process ID print its environment variables
Same as previous but without fugly sed =x

Adding Prefix to File name
Adding course name prefix to lecture pdfs


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