Windows Shortcuts

CTRL + WIN + SHIFT + B --> restart graphic driver
WIN + SHIFT + S --> snipping tool

PC - USB Speeds

PC - Power

Create a dummy file with variable size

1 GB data file
fsutil file createnew C:\dummy_1GB.txt 1073741824

10 GB data file
fsutil file createnew C:\dummy_10GB.txt 10737418240

Write zeros to a file

fsutil file createnew E:\clear 999782731776
fsutil file setvaliddata E:\clear 999782731776
fsutil file setzerodata offset=0 length=999782731776 E:\clear
del E:\clear

Handy / Mobile: Mailbox after 30s (GSM Code)

**61*3311**30#