simple table

This adds all new files to SVN recursively. It doesn't work for files that have spaces in their name, but why would you create a file with a space in its name in the first place?

Similar.

Change the number to change the number of spaces. Leaving it out defaults to 8. Leaving out the filename defaults to stdin.

And to do it in reverse, you can use the unexpand command.

This function is used to set environmental variables from a list of alternatives depending on what's installed on the system. It returns the first program found in the list.

Example usage:

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Use it with cat and '|' for know what is used in a conf file.

For example cat /etc/squid/squid.conf | sed -re '/^#/d ; s/#.*$// ; /^\s$/d' :

Show you what you use in your file conf.

It removes all comments and empty lines.

Empty lines are lines with nothing, a tab, or a space.

It will produce passwords with length of 20 printable characters within a reasonable time.

For shorter or longer passwords just change the 20 in bs=20 to something more convenient.

To create only alpha numeric passwords change [:print:] to [:alnum:]

tells you the number of lines in said file, and then tail the last 100 lines ( or how many are messed up) then u take the total amount of lines and then subract the 100 or so lines u DONT WANT, then do a head -n $new_number and then redirect it to new file.db

chkrootkit is a tool to locally check for signs of a rootkit,Get it from the website http://www.chkrootkit.org

Convert all Tables from MyISAM to InnoDB

The command line can be accessed by using the cmd command which will open a command window with a DOS interface. The command line is a throw back to the early days of computing before there was a Windows interface.

List of commands you use most often suppressing sudo

Test your XFS filesystem and Raptor hard drives for write performance.

change ":" in path for new line and associate word path to var $PATH

Batch resize all images to a width of 'X' pixels while maintaing the aspect ratio.

This makes uses of ImageMagick to make life easier.

Some malicious program appends a iframe or script tag to you web pages on some server, use this command to clean them in batch.

You can actually do the same thing with a combination of head and tail. For example, in a file of four lines, if you just want the middle two lines:

Line 1 --\

being printed to screen (or wherever you redirect it).

You can replace "sort -nu" with "sort -u" for a word list sorted or "sort -R" for a random-sorted line

(edit: corrected)