Description

IT SUPPORT CMD COMMANDS

* SYSTEM INFORMATION & DIAGNOSTICS
** SYSTEMINFO → DISPLAYS DETAILED INFORMATION ABOUT THE COMPUTER (OS, UPDATES, HARDWARE).
** HOSTNAME → SHOWS THE COMPUTER'S NAME.
** IPCONFIG /ALL → DISPLAYS FULL NETWORK CONFIGURATION, INCLUDING DNS, MAC, AND IP.
** TASKLIST → LISTS ALL RUNNING PROCESSES.
** TASKKILL /PID <ID> /F → FORCE KILLS A PROCESS BY ITS PROCESS ID.

* NETWORK TROUBLESHOOTING
** PING <HOSTNAME OR IP> → TESTS NETWORK CONNECTIVITY.
** TRACERT <HOSTNAME> → SHOWS THE PATH PACKETS TAKE TO REACH THE DESTINATION.
** NSLOOKUP <DOMAIN> → CHECKS DNS RESOLUTION FOR A DOMAIN.
** NETSTAT -ANO → SHOWS ACTIVE CONNECTIONS AND LISTENING PORTS WITH PROCESS IDS.
** ARP -A → DISPLAYS THE ARP CACHE (IP-TO-MAC ADDRESS MAPPING).

* USER & SECURITY MANAGEMENT
** NET USER → LISTS ALL USER ACCOUNTS ON THE SYSTEM.
** NET USER <USERNAME> <PASSWORD> /ADD → CREATES A NEW USER.
** NET LOCALGROUP ADMINISTRATORS <USERNAME> /ADD → ADDS A USER TO THE ADMINS GROUP.
** NET USER <USERNAME> /DELETE → DELETE A USER ACCOUNT.
** WHOAMI → DISPLAYS THE CURRENT LOGGED-IN USER AND DOMAIN.

* FILE & DISK COMMANDS
** CHKDSK C: /F → CHECKS AND FIXES DISK ERRORS ON C: DRIVE.
** SFC /SCANNOW → SCANS AND REPAIRS SYSTEM FILES.
** DISKPART → OPENS DISK PARTITION TOOL.
** DIR → LISTS FILES AND FOLDERS IN THE CURRENT DIRECTORY.
** TREE /F → SHOWS THE TREE STRUCTURE OF DIRECTORIES.

* REMOTE & SESSION MANAGEMENT
** MSTSC → OPENS REMOTE DESKTOP CONNECTION.
** SHUTDOWN /R /T 0 → RESTARTS THE COMPUTER IMMEDIATELY.
** LOGOFF → LOGS OFF THE CURRENT USER.
** NET USE → SHOWS MAPPED NETWORK DRIVES.
** NET USE Z: \\SERVER\SHARE /M → MAPS A NETWORK DRIVE TO LETTER Z.