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Find the 20 biggest directories on the current filesystem
This command will tell you the 20 biggest directories starting from your working directory and skips directories on other filesystems. Useful for resolving disk space issues.

Remove a range of lines from a file

Stop or Start (Restart) a Windows service from a Linux machine
Control (stop, start, restart) a Windows Service from a Linux machine which has the `net` command (provided by samba).

check open ports
Tested in Linux and OSX

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"

Compare an archive with filesystem
and you quickly know the files you changed

Show sections of a man page.
Uses the formatting of a man page to show an outline of its headers and sub-headers.

show how many regex you use in your vim today
i want to count how many regex code i have used in vim in a long time so i make a directory in svn host and post record to this directory of course i dont want to post manually so i worte a script to do that and this is the core thing to do

More precise BASH debugging

JSON processing with Python
Validates and pretty-prints the content fetched from the URL.


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