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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"

Print Memory Utilization Percentage For a specific process and it's children
Change the name of the process and what is echoed to suit your needs. The brackets around the h in the grep statement cause grep to skip over "grep httpd", it is the equivalent of grep -v grep although more elegant.

Show total disk space on all partitions
show off how big your disks are

Upload folder to imageshack.us (forum)
Each file in the current folder is uploaded to imageshack.us If the folder contains other filetypes change: $for files in * to: $for files in *.jpg (to upload ONLY .jpg files) Additionally you can try (results may vary): $for files in *.jpg *.png The output URL is encased with BB image tags for use in a forum.

search google on os x
Searches Google, but requires no "", and will also search all terms input in the CL, eg: > google foo bar returns search URL "http://www.google.com/search?q=foo%20bar" You could also use awk to replace all spaces with a +, which is how the Google search handles spaces, but that makes it more than one line.

Clone all repos from a user with lynx
https://wuseman.github.io/wcloner/

Remove blank lines

Extract audio stream from an AVI file using mencoder
This commands saves the output in the audio directory. The portion ${file/%avi/mp3} uses bash string replacement to replace the avi to mp3 within the ${file} variable.

Watch the progress of 'dd'
dcfldd is a forensic version of dd that shows a process indicator by default.

Burn CD/DVD from an iso, eject disc when finished.
cdrecord -scanbus will tell you the (x,y,z) value of your cdr (for example, mine is 3,0,0)


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