While Windows Server 2012 R2 is heavily built around PowerShell, the standard Command Prompt is often preferred for because it loads instantly and consumes fewer system resources. It is the "Swiss Army Knife"—simple, sharp, and always available.
If you are navigating these specific versions of Windows, these "power" commands are your best friends: Why it matters sfc /scannow System File Checker Windows Command-Line for Windows 8.1, Windows S...
Repairs corrupted system files—the first step for Windows 8.1 stability issues. DISM /Online /Cleanup-Image /RestoreHealth Deployment Image Service Fixes the Windows component store when sfc fails. gpupdate /force Group Policy Update While Windows Server 2012 R2 is heavily built
Using tools like DISM and sfc to repair system images and verify file integrity. The Administrative "Gotcha"
Permanently wipes deleted data from the free space on a drive (useful for decommissioning Server hardware). The Administrative "Gotcha"