Commands tagged webcam (14)

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how many pages will my text files print on?
This gives a very rough estimate of how many pages your text files will print on. Assumes 60 lines per page, and does not take long lines into account.

Define a quick calculator function
POSIX compliant arithmetic evaluation. = 10*2+3

translates acronyms for you
very handy if you are in irc and absolutely don't know what these guys are talking about. this is a netbsd command, if you are lucky it exists in your distro's package database.

Display EPOCH time in human readable format using AWK.

list block devices
Shows all block devices in a tree with descruptions of what they are.

Search command history on bash
Very handy and time-saving. Do a 'ctrl+ r' on command prompt. You will see a "(reverse-i-search)`':" mark. Just type any sub-string of the command you want to search(provided you have used it sometime in the same session). Keep on searching by repeatedly pressing ctrl+r. Press enter once you get the desired command string.

Find the package that installed a command

Print all open regular files sorted by the number of file handles open to each.
This command run fine on my Ubuntu machine, but on Red Hat I had to change the awk command to `awk '{print $10}'`.

Display BIOS Information
read the memory from C:0000 to F:FFFF without the need auf dmidecode

output your microphone to a remote computer's speaker


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