Commands by sonnywull540 (0)

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Found how how much memory in kB $PID is occupying in Linux
The "proportional set size" is probably the closest representation of how much active memory a process is using in the Linux virtual memory stack. This number should also closely represent the %mem found in ps(1), htop(1), and other utilities.

Check whether laptop is running on battery or cable
If you want to do the same in OS X... grep as necessary for information you need....

Get the IP address of a machine. Just the IP, no junk.
Why use many different utilities all piped together, when you only need two?

Create a file and manipulate the date

Delete backward from cursor, useful when you enter the wrong password

get all Amazon cloud (amazonws etc) ipv6 subnets

Find where a kind of file is stored
In this case searches for where .desktop files are stored. The resulted is a sorted list of the top directories containing such files.

get you public ip address

runs a X session within your X session
http://www.debian-administration.org/article/Running_multiple_X11_sessions

use screen as a terminal emulator to connect to serial consoles
Use GNU/screen as a terminal emulator for anything serial console related. screen /dev/tty eg. screen /dev/ttyS0 9600 MacOSX: http://www.macosxhints.com/article.php?story=20061109133825654 Cheat Sheet: http://www.catonmat.net/blog/screen-terminal-emulator-cheat-sheet/

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