Cheat sheets -- one-page summaries of key program commands, language syntax or simply how to do stuff -- are a brillant resource. They're often a great way to explore an application's full potential and can make you an expert in no time at all.

What key combination takes you to the next tab in Firefox? How do you launch the Process Manager in KDE? What's the maximum length of a CHAR string in MySQL? I got all my answers from cheat sheets! (And they are, respectively, Ctrl+Tab, Ctrl+Esc and 255.)

There are some great collections of cheat sheets and some excellent stand-alones. Here's a modest selection ...

Cheat Sheet Collections

• Cantonmat tends to specialise in under-used commandline tools like Awk, Sed, Ed, and Bash. But he has some useful sheets on Perl too.

• AddedBytes is more web-oriented with cheat sheets about Python, Subversion, Regular Expressions, PHP, CSS, HTML, Ruby on Rails... and more!

• Cheat-sheets.org has a huge collection, everything from .NET to Yahoo.

Useful Standalones

• Blender (Hot keys)
• Firefox
• Gimp (somewhat elderly now; 2003!)
• KDE
• Thunderbird
• Ubuntu Reference
• Unix/Linux Command Line Reference
• WikiMedia

Of course that's by no means a complete listing. If you've got a favourite, send me a Comment!




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