Commands using chmod (95)

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Watch the progress of 'dd'
The 'dd' command doesn't provide a progress when writing data. So, sending the "USR1" signal to the process will spit out its progress as it writes data. This command is superior to others on the site, as it doesn't require you to previously know the PID of the dd command.

Download Youtube video with wget!
Nothing special required, just wget, sed & tr!

Find if the command has an alias

Grep syslog today last hour
Uses date to grep de logfile for today and uses it to get the last hour logs. Can be used to get last minute logs or today's logs.

throttle bandwidth with cstream
this bzips a folder and transfers it over the network to "host" at 777k bit/s. cstream can do a lot more, have a look http://www.cons.org/cracauer/cstream.html#usage for example: $ echo w00t, i'm 733+ | cstream -b1 -t2 hehe :)

List only executables installed by a debian package
Safe for whitespaces in names.

Find the 10 users that take up the most disk space

recursively walk down no more than three levels and grab any file with an extension of mp3, mpg, mpeg, or avi

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Find which service was used by which port number


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