Improve the bash history If you use two bash sessions at the same time, which...

Counting file types cat myawk.sh #!/bin/sh # list the type of files with count find...

show processlist ps aux When you run ps you will only get the first 40...

Which Linux? If you're a Linux expert, Fedora is for you. If you just want...

Killing processes You can enter the "kill" command in a terminal if a process hangs....

vim syntax behave mswin - Copy and Paste with Ctrl+C CtrlV set laststatus=2 - grey...

sed can make you sad! Changing the -e to -i in the following can be...

Easy SSH HashKnownHosts no Add the above line in your ssh_config file that can be...

Inernal File Separator The safe way to change IFS in a 'while read' loop is:...

Overwriting files output redirection using n> usually overwrites existing files. You can control this with...

send messages across network The following command can be used to send messages to remote...

power of wget wget is really a very powerful utility. Here is an example. wget...

Silence of the Foxes This simple Firefox tool lets you create custom Firefox installers which...

Wow 15 years IT experience and you don't know the difference between a bit and...

Zoom in Ubuntu I can change the tabs in firefox by using Alt + 2...

Google Calculator >> 24685316 kb in MB shows the wrong results: 24 685 316 kilobits...

Old date in Shell If you need to know the 3 days old date, it...

Finding in Linux I was looking for the file translate.html from my backup drives, e:...

Number all lines in a file perl -pe '$_ = "$. $_"' “-p” causes Perl...

Ubuntu Root The root account is disabled by default on Ubuntu installations, mainly to prevent...

Starting Ubuntu You can make Ubuntu remember the applications you had open when you last...

Export to Excel Just create a regular .PHP file, where you output your data in...

Gmail in Firefox You can set Gmail as Default Email Client in Firefox * go...

tmpdir in MySQL In MySQL, the tmpdir path is mainly used for disk-based sorts (if...

Install SQLite $ # As of March 2009, the latest version was 3.6.11. $ wget...