Commands tagged memory (15)

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Hold off any screensavers/timeouts
Moves the mouse 1 pixel down and to the right, then immediately back again, every 4 minutes. This keeps screensavers from turning on. I have used this extensively and I've never even noticed the mouse movement because it is so subtle.

Show Directories in the PATH Which does NOT Exist

ptree equivalent in HP-UX
By setting the UNIX95 variable in HP-UX the XPG4 mode is activated, you get new options for ps and other commands, for me the best way to use this is to create an alias named ptree in root profile: alias ptree='UNIX95=1 ps -eH'

Merge AVI-files without recoding
Useful for when you download movies split into < 700mb parts. Credit to rich @ http://superuser.com/questions/318640/merge-avi-files-without-recoding-in-mac-os-x-lion mencoder is generally included with mplayer. MacPorts: $sudo port install mplayer

Stop Flash from tracking everything you do.
Brute force way to block all LSO cookies on a Linux system with the non-free Flash browser plugin. Works just fine for my needs. Enjoy.

list files recursively by size

Bind a key with a command
Now type Ctrl-l and it will list all files

generate iso

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"

Optimal way of deleting huge numbers of files
Using xargs is better than: $ find /path/to/dir -type f -exec rm \-f {} \; as the -exec switch uses a separate process for each remove. xargs splits the streamed files into more managable subsets so less processes are required.


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