Commands by unixmonkey9108 (0)

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Takes all file except file between !()
Go to tmp : cd /tmp; mkdir retmp; cd retmp Create 10 files : for i in {1..10}; do touch test$i; done Remove all files except test10 : rm !(test10)

Check which files are opened by Firefox then sort by largest size.
Check which files are opened by Firefox then sort by largest size (in MB). You can see all files opened by just replacing grep to "/". Useful if you'd like to debug and check which extensions or files are taking too much memory resources in Firefox.

Count lines using wc.

Renames all files in the current directory such that the new file contains no space characters.
This is a better version, as it does no command piping, uses for instead of while loops, which allows for a list of files in the current working directory to be natively processed. It also uses the -v/verbose option with mv to let you know what the command is doing. While the command does exactly the same in a better way, I would modify the sed option to replace spaces with underscores instead, or dashes. Please note that you'll receive errors with this command as it tries to rename files that don't even have spaces. This is an alternative to: http://www.commandlinefu.com/commands/view/8761/renames-all-files-in-the-current-directory-such-that-the-new-file-contains-no-space-characters.

Sort file greater than a specified size in human readeable format including their path and typed by color, running from current directory
1. find file greater than 10 MB 2. direct it to xargs 3. xargs pass them as argument to ls

Find partition name using mount point
lsblk | grep mountpoint

Make a high definition VNC
-nohttpd don't run mini-httpd if VNC java applet is found -name change the name of the desktop, it's passed to xstartup script via $VNCDESKTOP, run different set of apps acording the name. -depth pixel depth in bits of the desktop, default is 16 -geometry size of the desktop, default is 1024x768

ettercap..
There weren't any one liners for ettercap on this site... tisk tisk :-) (of course you'll have to plugin your own values for the variables..)

Get information about memory modules
To take information about the characteristics of the installed memory modules.

Create a single-use TCP proxy with debug output to stderr
or you can add "-x" to get a typical hexdump like output

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