Can anyone mention some commands and their uses in the command prompt of windows?????

Answer 1

http://simplyadvanced.net/blog/cheat-sheet-for-windows-command-prompt/

Answer 2

fdisk - to wipe up all data in the hard disk.

Answer 3

chkdsk -- Checks drives for failures basically

elevate.cmd -- puts you into elevation mode as an Admin

fsutil dirty query : -- next to the ( : ) symbol, put in a drive letter that an external drive is assigned to, henceforth checking if there are dirty bits of the drive that indicates that the drive needs to be reformatted into NTFS or exFAT or FAT32 of your choice.

logoff -- Locks your comp uter as if you are typing in your login password to get in.

Get-CiInstance -ClassName Win32_Operating System | Select-Object -Property NumberOfAccounts, NumberOfUsers, RegisteredUser -- Tlls you all the users of the device

Get-CimInstance -ClassName Win32_QuickFixEngineering -- Tells you what updates/changes were made to your software and/or things fixed of your device.