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Download all data from Google Ngram Viewer
To learn more about Google Ngram Viewer: http://ngrams.googlelabs.com/info

Open a manpage in the default (graphical) web browser
An easy alias for opening a manpage, nicely HTML formatted, in your set internet browser. If you get a "command exited with status 3" error you need to install groff.

Merge several pdf files into a single file
merge a.pdf b.pdf and c.pdf and create ./out.pdf

Get curenttly playing track in Last.fm radio

find unreadable file

back ssh from firewalled hosts
host B (you) redirects a modem port (62220) to his local ssh. host A is a remote machine (the ones that issues the ssh cmd). once connected port 5497 is in listening mode on host B. host B just do a ssh 127.0.0.1 -p 5497 -l user and reaches the remote host'ssh. This can be used also for vnc and so on.

Perform a reverse DNS lookup
Performs a reverse DNS lookup, variants include: $ nslookup 74.125.45.100 or: $ host 74.125.45.100

Generate random valid mac addresses
Python Alternative

show git commit history

get all Google ipv4/6 subnets for a iptables firewall for example (updated version)
google has added 2 more netblocks...


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