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

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.

lists files and folders in a folder
lists files and folders in a folder with summary.

route add default gateway

Recursively change permissions on files, leave directories alone.

Clean up the garbage an accidental unzipping makes
List out all the names from the zip file and pass it to xargs utility to delete each one of them

Get fully qualified domain names (FQDNs) for IP address with failure and multiple detection

Transfer a file to multiple hosts over ssh
You can push files to up to 32 servers at once assuming ssh keys are in place. Great tool, it is part of the pssh suite.

Encode file path to URL
Really helpfull when play with files having spaces an other bad name. Easy to store and access names and path in just a field while saving it in a file. This format (URL) is directly supported by nautilus and firefox (and other browsers)

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


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