Shortcuts	Descriptions
Ctrl + C	Copy
Ctrl + X	Cut
Ctrl + V	Paste
Ctrl + Z	Undo
Ctrl + S	Save
Ctrl + F	Search for word
Ctrl + A	Highlight everything
Shift + Left Arrow or Right Arrow	Hightlight next letter
Ctrl + Shift + Left Arrow or Right Arrow	Highlight next word
Ctrl + Left Arrow or Right Arrow	Navigate text cursor to next word without highlight
Home	Go to beginning of line
End	Go to end of line
Page Up	Scroll up
Page Down	Scroll down

You can also use shortcut keys while browsing the web. Here are some shortcuts you could use to navigate in web browsers.

Shortcuts	Descriptions
Ctrl + Tab	Switch to next tab
Ctrl + Shift + Tab	Switch to previous tab
Ctrl + T	Open new tab
Ctrl + W	Close current tab
Ctrl + Shift + T	Open previously closed tab
Ctrl + R	refresh current webpage
Ctrl + N	Open new web browser window
Backspace	Go back one page
Shift + Backspace	Go forward one page

Finally, here are some common keyboard shortcuts for more general (Windows) navigation.

Shortcuts	Descriptions
Alt + Tab	Switch to next opened window
Alt + Shift + Tab	Switch to previous opened window
Alt + F4	Close current window

Using these shortcut keys will require the little finger a lot as many of the modifier keys like Ctrl,Alt and Shift are closest to your little finger.