Windows Command List

Windows Command List every L1 / L2 Support Engineer should know

🖥️ 𝗦𝘆𝘀𝘁𝗲𝗺 𝗜𝗻𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻
• winver – Check Windows version
• systeminfo – Full system configuration
• msinfo32 – Detailed hardware & software info
• dxdiag – Graphics & DirectX status
• hostname – Computer name
• whoami – Logged-in user
• tasklist – Running processes
• taskmgr – Open Task Manager

🌐 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗧𝗿𝗼𝘂𝗯𝗹𝗲𝘀𝗵𝗼𝗼𝘁𝗶𝗻𝗴
• ipconfig – Check IP address
• ipconfig /all – Full adapter details
• ipconfig /release – Release IP
• ipconfig /renew – Renew IP
• ipconfig /flushdns – Clear DNS cache
• ping – Test connectivity
• tracert – Trace route path
• nslookup – DNS resolution check
• netstat -ano – Active connections with PID
• arp -a – ARP table
• netsh int ip reset – Reset network stack

👥 𝗨𝘀𝗲𝗿 & 𝗣𝗼𝗹𝗶𝗰𝘆 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁
• lusrmgr.msc – Local users & groups
• compmgmt.msc – Computer management
• gpupdate /force – Refresh GPO
• rsop.msc – Resultant set of policy
• secpol.msc – Local security policy
• net user username – User details
• net user username /active – Disable account

💾 𝗗𝗶𝘀𝗸 & 𝗦𝘆𝘀𝘁𝗲𝗺 𝗥𝗲𝗽𝗮𝗶𝗿
• chkdsk /f /r – Scan & fix disk errors
• sfc /scannow – Repair system files
• DISM /Online /Cleanup-Image /RestoreHealth – Repair Windows image
• diskmgmt.msc – Disk management
• cleanmgr – Disk cleanup

🔧 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 & 𝗠𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴 𝗧𝗼𝗼𝗹𝘀
• services.msc – Manage services
• eventvwr.msc – Check system logs
• perfmon – Performance monitor
• resmon – Resource monitor
• control – Control panel
• appwiz.cpl – Programs & features
• sysdm.cpl – System properties
• devmgmt.msc – Device manager

🛡️ 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗖𝗼𝗺𝗺𝗮𝗻𝗱𝘀
• gpresult /r – Applied group policies
• net share – Shared folders
• net use – Map network drive
• shutdown /r /t 0 – Immediate restart
• wmic qfe list – Installed updates
• powercfg /batteryreport – Battery health report
If you are working in L1 / L2 Support or System Administration, these commands can save a lot of troubleshooting time.