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Find the date of the first commit in a git repository
Finds the date of the first commit in a git repository branch

a function to find the fastest DNS server
http://public-dns.info gives a list of online dns servers. you need to change the country in url (br in this url) with your country code. this command need some time to ping all IP in list.

check open ports without netstat or lsof

UPS Tracking Script

Remove Thumbs.db files from folders
An alternative which uses the advanced zsh globbing (pattern matching)

Show which programs are listening on TCP and UDP ports
-p Tell me the name of the program and it's PID -l that is listening -u on a UDP port. -n Give me numeric IP addresses (don't resolve them) -t oh, also TCP ports

Backup with versioning
Apart from an exact copy of your recent contents, also keep all earlier versions of files and folders that were modified or deleted. Inspired by EVACopy http://evacopy.sourceforge.net

convert unixtime to human-readable
Mac have direct conversion of seconds (Epoch time)

Write comments to your history.
A null operation with the name 'comment', allowing comments to be written to HISTFILE. Prepending '#' to a command will *not* write the command to the history file, although it will be available for the current session, thus '#' is not useful for keeping track of comments past the current session.

Recursively chmod all dirs to 755 and all files to 644


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