some commonly used keyboard shortcuts for computers

 Here are some commonly used keyboard shortcuts for computers:

1. Copy: Ctrl + C (Windows) or Command + C (Mac)
2. Cut: Ctrl + X (Windows) or Command + X (Mac)
3. Paste: Ctrl + V (Windows) or Command + V (Mac)
4. Undo: Ctrl + Z (Windows) or Command + Z (Mac)
5. Redo: Ctrl + Y (Windows) or Command + Shift + Z (Mac)
6. Select all: Ctrl + A (Windows) or Command + A (Mac)
7. Save: Ctrl + S (Windows) or Command + S (Mac)
8. Print: Ctrl + P (Windows) or Command + P (Mac)
9. Open new tab: Ctrl + T (Windows) or Command + T (Mac)
10. Close current tab: Ctrl + W (Windows) or Command + W (Mac)
11. Switch between open windows: Alt + Tab (Windows) or Command + Tab (Mac)
12. Zoom in: Ctrl + + (Windows) or Command + + (Mac)
13. Zoom out: Ctrl + – (Windows) or Command + – (Mac)
14. Refresh: F5 (Windows) or Command + R (Mac)
15. Search: Ctrl + F (Windows) or Command + F (Mac)