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Bind a key with a command
the -x option is for binding to a shell command

Revert an SVN file to previous revision
Kudos to xakon.

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"

See KeepAlive counters on tcp connections
See connection's tcp timers

replace a character/word/string in a file using vim
Replace all ocurrences in the file. The g option is to replace more than one occurrence in the same line. Whitout the g option, it only replace the first occurrence in the line.

A sorted summary of disk usage including hidden files and folders
Same result as with 'du -ks .[^.]* * | sort -n' but with size outputs in human readable format (e.g., 1K 234M 2G)

Rename files in batch

Like top, but for files

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.

Insert a line for each n lines
specially usefull for sql scripts with insert / update statements, to add a commit command after n statements executed.


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