The Android mobile operating system has an impressive set of keyboard shortcuts to help you fly through your phone without digging through the menus. A couple of quick key presses are all you need for most common tasks.

So what are you waiting for? Bookmark this list and get to know Android in a whole new way.

(Note: Some hotkeys may vary from one Android device to another. Most of the ones listed here, however, should work on any Android handset.)

Android Keyboard Shortcuts: Scrolling

Spacebar: Page down in any Web page/document view

Shift + Spacebar: Page up in any Web page/document view

Android Keyboard Shortcuts: Typing

Alt + Spacebar: Insert a special character

Shift + Del: Delete the character to the right of the cursor

Alt + Del: Delete an entire line

Shift + Shift (press it twice): Activate caps-lock; press shift once more to exit

Alt + Trackball-Left: Move cursor to beginning of line

Alt + Trackball-Right: Move cursor to end of line

Alt + Trackball-Up: Move cursor to top of page

Alt + Trackball-Down: Move cursor to bottom of page

Shift + Trackball-Left/Right: Highlight text for cutting or copying

Menu + X: Cut text (will cut all text on-screen unless specific characters are highlighted)

Menu + C: Copy text to clipboard (will copy all text on-screen unless specific characters are highlighted)

Menu + V: Paste text from clipboard

Menu + A: Select all text in the current field

Android Keyboard Shortcuts: Browsing

Menu + I: Zoom in

Menu + O: Zoom out

Menu + J: Go back a page

Menu + K: Go forward a page

Menu + R: Refresh current page

Menu + F: Find on page

Menu + B: Open bookmarks

Menu + S: Open social network sharing menu

Menu + H: View browsing history

Menu + S: Open browser settings

Android Keyboard Shortcuts: Gmail

F: Forward current message (works only while inside the message)

R: Reply to current message (works only while inside the message)

A: Reply-all to current message (works only while inside the message)

Y: Archive message (works from within message or while on main inbox list)

Menu + U: Refresh inbox

Menu + C: Compose new e-mail

Enter: Open an e-mail (from the main inbox list)

Alt + Trackball-Up: Jump to top of inbox

Alt + Trackball-Down: Jump to bottom of inbox

Android Keyboard Shortcuts: Apps

Search + B: Open browser

Search + C: Open contacts

Search + E: Open e-mail

Search + G: Open Gmail

Search + I: Open calendar

Search + M: Open maps

Search + P: Open music

Search + S: Open text messaging

Search + Y: Open YouTube

You can also customize the keyboard shortcuts for applications: Just go into "Applications" off the main system settings menu, then select "Quick Launch." From there, you can change any of the above app-controlling hotkeys and add in your own.

JR Raphael is co-founder of geek-humor site eSarcasm . You can keep up with him on Twitter: @jr_raphael .

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