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Search $PATH for a command or something similar
Searches your $PATH for whatever you substitute for bash, though not sure if this will work if you substitute a different shell for bash!

Get your IP addresses
Shows the interface and the ip-address

Get absolut path to your bash-script

check open ports without netstat or lsof

shut of the screen.

save command output to image
It's just because the original command was not working on version's 6.7.7-10.

check open ports without netstat or lsof

Smart renaming
A powerfull way to rename file using sed groups. & stand for the matched expression. \1 referes to the first group between parenthesis. \2 to the second.

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.

Find the package that installed a command


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