Boost Your Productivity: Essential Windows DOS Commands You Should Know

Open CMD

Press Win + R, type cmd and press Enter, or search "Command Prompt" in the Start menu and launch it.

Inspect system configuration

systeminfo

– displays hardware details, OS version and installed patches. ver – shows the Windows version (e.g., Win10 or Win11). hostname – shows the computer’s network name. whoami – shows the current user’s account type. echo %username% – prints the logged‑in username.

File operations

dir

– list files in the current folder. cd D: – switch to drive D:; cd .. moves up one level. md NewFolder – create a new directory. rd OldFolder – delete an empty directory. copy 1.txt D:\Backup – copy a file to a backup folder. xcopy SourceFolder TargetFolder /E /I – copy an entire directory tree, including subfolders. del JunkFile.txt – delete a file (no Recycle Bin in CLI). ren OldName.txt NewName.txt – rename a file.

Network troubleshooting

ipconfig

– view local IP address and gateway. ipconfig /all – detailed view including DNS servers and MAC address. ping www.baidu.com – test external connectivity; a "Reply" indicates success. ping 192.168.1.1 – ping the router first to locate where a problem lies. tracert www.baidu.com – trace the route packets take to a host. nslookup www.baidu.com – query DNS for the host’s IP address. netstat -ano – list open ports and owning process IDs (useful when the PC feels slow). netsh wlan show profiles – display all saved Wi‑Fi profiles; useful for retrieving forgotten passwords.

Disk utilities

chkdsk

– scan the disk for errors. chkdsk /f – fix detected errors (requires admin rights). chkdsk /r – locate and recover bad sectors; useful for noisy drives. diskpart – launch the disk partitioning tool (create, delete, format partitions). format D: /fs:ntfs – format drive D: as NTFS (erases all data). fsutil fsinfo drives – list all drive letters present on the system.

Quick‑launch utilities

calc

– Calculator. notepad – Text editor. mspaint – Paint. magnify – Magnifier. osk – On‑screen keyboard.

Recover from a frozen PC

tasklist

– show all running processes. taskkill /PID 1234 /F – force‑terminate process 1234 without rebooting. services.msc – open Services manager to enable/disable background services. msconfig – System Configuration; disable unnecessary startup items for faster boot. regedit – Registry editor (modify system settings, but back up first). gpedit.msc – Group Policy editor (available on Pro/Enterprise editions). diskmgmt.msc – Disk Management for repartitioning without a PE environment.

Other common commands

cls

– clear the screen. exit – leave the command prompt. help – display help for commands. shutdown /s 0 – immediate shutdown. shutdown /r 0 – immediate restart. shutdown /l – log off current user. start notepad.exe – launch Notepad (replace with any executable).

Typical daily troubleshooting relies on a handful of commands such as ipconfig, ping, tracert, taskkill, cd, copy, and chkdsk, enabling most Windows issues to be resolved without external assistance.