Commands by wiburg (3)

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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....

Pulse Volume Control Using Zenity
This produces a little bar that you can use to set the volume percentage.

locating packages held back, such as with "aptitude hold "
locating packages held back, such as with "aptitude hold "

Selecting a random file/folder of a folder
Also looks in subfolders

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"

Change newline to space in a file just using echo
Changing newline to spaces using just echo

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

removing syncronization problems between audio and video
This assumes that there is a 10.2 sec delay between the video and the audio (delayed). To extract the original video into a audio and video composites look at the command on extracting audio and video from a movie

Access to specific man page section
You can view the man pages from section five by passing the section number as an argument to the man command

Open-iscsi target discovery


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