Commands (Windows)

Useful commands (Command Prompt):

System Information & Diagnostics (CMD)

systeminfo
Displays detailed system configuration, OS version, and patch level.

hostname
Shows the system’s network name.

whoami
Displays the currently logged-in user and domain context.

Network Troubleshooting (CMD)

ipconfig /all
Displays full IP configuration, including DNS and DHCP details.

ipconfig /flushdns
Clears the DNS resolver cache.

ping <hostname>
Tests network connectivity and latency.

tracert <hostname>
Traces the network path to a destination.

nslookup <hostname>
Performs DNS queries and troubleshooting.

netstat -ano
Displays active connections with associated process IDs.

runas /u:MicrosoftAccount\youremail@address.com cmd.exe

Run this command if RDP isn't working with a Microsoft account. It forces windows to cache your Microsoft account credentials as being a valid account on the PC.

File System & Disk Management (CMD)

chkdsk
Checks disk integrity.

sfc /scannow
Scans and repairs protected system files.

User, Security & Permissions (CMD)

net user
Lists local user accounts.

net user <username>
Displays details for a specific user.

net localgroup administrators
Lists members of the local Administrators group.

whoami /groups
Displays security group memberships.

runas /user:<domain\user> cmd
Launches a command prompt under alternate credentials.

Services & System Control (CMD)

shutdown -r -t 0
Immediately reboots the system.

shutdown -s -t 0
Immediately shuts down the system.

shutdown -m \\COMPUTERNAME
Shutdown remote computer named COMPUTERNAME

shutdown /a
Aborts a pending shutdown or reboot.

Fix Windows Update Issues (Clear Update Cache)

net stop wuauserv

cd /d %windir%

rd /s SoftwareDistribution

net start wuauserv

Useful commands (Powershell/Terminal):

System & Updates

Get-CimInstance Win32_BIOS
Displays BIOS information & Serial Number/Service Tag

Get-CimInstance Win32_Processor
Displays CPU information

winget update --all
Checks for updates for all supported applications