Commands by Tomofumi (1)

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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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uniq without pre-sorting
Reads stdin, and outputs each line only once - without sorting ahead of time. This does use more memory than your system's sort utility.

List empty any directories

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"

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"

Create a continuous digital clock in Linux terminal
Same effect, only shell commands.

Delete all files older than X in given path
This will find all files under the path "." which are older than 10 days, and delete them. If you wish to use the "rm" command instead, replace "-delete" with "-exec rm [options] {} \;"

Search for a line of text in a directory of files recursively (while limiting to certain file extensions)

Lines per second in a log file

Get the full path to a file
Part of coreutils - so needs no extra package...

return the latest kernel version from a Satellite / Spacewalk server software channel


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