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

a function to find the fastest DNS server
http://public-dns.info gives a list of online dns servers. you need to change the country in url (br in this url) with your country code. this command need some time to ping all IP in list.

display a smiling smiley if the command succeeded and a sad smiley if the command failed
you could save the code between if and fi to a shell script named smiley.sh with the first argument as and then do a smiley.sh to see if the command succeeded. a bit needless but who cares ;)

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Console clock
You will see it on the corner of your running terminal.

Cheap iftop
Shows updated status in a terminal window for connections to port '80' in a human-friendly form. Use 'watch -n1' to update every second, and 'watch -d' to highlight changes between updates. If you wish for status updates on a port other than '80', always remember to put a space afterwards so that ":80" will not match ":8080".

convert flac to mp3
if you haven't already done so, install lame and flac: sudo apt-get install lame flac

When feeling down, this command helps
$ sudo apt-get install sl $ man sl

Download all files from podcast RSS feed
Neither of the others worked for me. This does.

Alternative size (human readable) of files and directories (biggest last)
using mb it's still readable;) a symbol variation $ du -ms {,.[^.]}* | sort -nk1


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