Delete all files in a folder that don't match a certain file extension

$ rm !(.foo|.bar|*.baz)

Deletes all files in a folder that are NOT *.foo, *.bar or *.baz files. Edit the pattern inside the brackets as you like.

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Lock the hardware eject button of the cdrom

$ eject -i 1 This command will lock the hardware eject button of your cdrom drive. Some uses are:

1: If you have a toddler and has discovered the cdrom button

2: If you are carrying a laptop in a bag or case and don&#8217;t want it to eject if the button is inadvertently pressed.

To unlock the button use:

eject -i 0

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Convert decimal numbers to binary

There is a calculator called bc that works in the command line. So if you need a quick calculator function in the command line then you could write some functions that will do the trcik for you. Here is an example:

Xoost – Search engine

<a title="Xoost Search engine" href="http://www.xoost.com" target="_blank">Xoost is a community search engine. From Xoost page:

Imagine you are searching for a topic related to your favourite Music, Travel destinations, Events. With Xoost you will benefit from the exponential value of doing it much more productively together with your friends or family members. It’s all about sharing Search skills & Knowledge.

Continue reading

check out http://browsershots.org/

If you are a web developer and are worried about how your <a class="zem_slink" href="http://en.wikipedia.org/wiki/Website" title="Website" rel="wikipedia">website would look like in the various browsers and do not have the resources to test all the browsers, what do you do? Check out the <a class="zem_slink" href="http://en.wikipedia.org/wiki/Web_page" title="Web page" rel="wikipedia">webpage at

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