Commands by bkmeneguello (2)

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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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Check These Out

Console clock
You will see it on the corner of your running terminal.

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Execute a command on logout
Execute a command on shell logout,and run it until is finished,then shell is closed.

Matrix Style
Solves "tr" issues with non C-locales under BSD-like systems (like OS X)

Find the biggest files
Show the top 10 file size

List all PostgreSQL databases. Useful when doing backups

grep (or anything else) many files with multiprocessor power
xargs -P N spawns up to N worker processes. -n 40 means each grep command gets up to 40 file names each on the command line.

My PS1
My PS1

cleanup /tmp directory
Cleans all files in /tmp that have been accessed at least 2 days ago.

Battery real life energy vs predicted remaining plotted
This time I added a print to reemaining energy, every minute, time stamped. The example shown here is complete and point to large discrepancies as time passes, converging to accuracy near the end.


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