Keyboard usage to the maximum can simply speed up the time we use to do things.Shortcut World has done a terrific job of selecting the programs for all three platforms- Windows, Linux, and Mac.
Several keyboard shortcuts have been thier for years and work for all operating systems of Windows. Tutzone gives a list of 340 keyboard shortcuts for the upcoming operating system Windows 7.
Here are some of the keyboard shortcuts :
Top FireFox shortcuts----
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Alt+d: Jump to address bar.
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Ctrl+Enter: Complete a .com address in address bar: adds "http://" prefix and a ".com"-suffix, then loads the page.
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Alt+home: Jump to homepage.
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Ctrl+t: Open new tab in same window.
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Ctrl+r: Reload page.
Top Excel 2007 Shortcuts----
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ctrl+spacebar :Selects an entire column in a worksheet.
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shift+spacebar: Selects an entire row in a worksheet.
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ctrl+1 : Displays the Format Cells dialog box.
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ctrl+a :Selects the entire worksheet. If the worksheet contains data, CTRL+A selects the current region .
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ctrl + shift+ +: Insert a new row or column (after the current row is selected with shift+space, or column is selected with ctrl+space.
Top VLC Media Player Shortcuts----
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ctrl+f : Open folder (browse folder menu).
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ctrl+arrow up / ctrl+arrow down : Increase or decrease volume.
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f: Switch to/from fullscreen.
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m: Mute and unmute audio.
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space: Pause or play movie.