What is the shortcut key for computer text selection?

in the day-to-day work, the use of shortcuts can improve the speed of our work, so we will remember some shortcuts for easy to use. Many people in the editing text, want to use the full selection of shortcut keys, but do not know which keys to press the keyboard, then the computer text Select shortcut key is what ?

1, the full selection of shortcut keys is CTRL + A.

2, after the cursor Select all: Ctrl + Shift + END.

3, before the cursor Select all: Ctrl + Shift + home.

There is another way:

Click the Start section of the mouse, and then hold down the shift+ left mouse button at the end of the last section to select All.

In addition Apple Mac system Select all Shortcut is COMMAND + A.