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grep across a git repo and open matching files in gedit

what model of computer I'm using?

recursively change file name from uppercase to lowercase (or viceversa)
Example of zsh globing, glob qualifier, and substitution: -Q state that the parameter will contain a glob qualifier. (**/)(*) is recursive (.) is our glob qualifier, with states the match is a file "." The first parameter $1, is then substituted with $2 but with lowercasing '(L)' ... a (U) would of course be from lower to upper.

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

Non Numeric Check
use to execute a block of code only if $var is numeric

Manipulate the metadata when the photo was taken, this will shift with +15hours + 30min

Count number of files in subdirectories
For each directory from the current one, list the counts of files in each of these directories. Change the -maxdepth to drill down further through directories.

download a sequence of vim patch
Seq allows you to define printf like formating by specified with -f, %03g is actually tells seq I got three digits, fill the blank digits with 0, and the range is from 176 to 240.

Search commandlinefu.com from the command line using the API
for me the above command didn't work for more than one argument but this one does

sync svn working copy and remote repository (auto adding new files)
Lists the local files that are not present in the remote repository (lines beginning with ?) and add them.


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