Commands by manuq (4)

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Displays the number of processes per state

Screen enable/disable loggin in all windows
The command when added in screenrc enables logging all open windows by using the C-l (control-l key combination) and disable by C-o . The lines need to be added in separate lines .

Send your terminfo to another machine
I frequently use this trick to send my terminal settings to HPUX and older RHEL systems. This is due to the fact that terminfo support for rxvt-unicode (my preferred terminal app) does not exist on many older Linux and Unices.

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"

get newest jpg picture in a folder
search the newest *.jpg in the directory an make a copy to newest.jpg. Just change the extension to search other files. This is usefull eg. if your webcam saves all pictures in a folder and you like the put the last one on your homepage. This works even in a directory with 10000 pictures.

Do some learning...
no loop, only one call of grep, scrollable ("less is more", more or less...)

Router discovery

delete all trailing whitespace from each line in file

Cleanup firefox's database.
For Mac OS X users only

Null a file with sudo


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