1. To select text: left-click and the move mouse pointer across the text, then release mouse button.
2. To select a word: double click the word.
3. To select whole sentence: hold the CTRL key down and left click the sentence.
4. To select whole paragraph: triple left-click anywhere inside the paragraph (Note: does not work in all applications).
5. To select multiple paragraphs: left-click and hold at the beginning of the first paragraph and drag down the page until the last line is highlighted.
6. To select all text: Use the Select All menu item in the Main Menu->Edit or in context menu (it should appear by right-click).
1. To select text: Hold the Shift down and press one of arrow keys (left, right, up or down) to select text in appropriate direction.
2. To select whole word by one press: If you hold down the ctrl key in addition to shift+left arrow or shift+right arrow you will highlight whole word by one operation instead of one character.
3. To select all text: Press the CTRL+A combination.