Some helpful helpdesk commands for people that are new in tech and just starting their first job.
ipconfig /all
• Shows detailed network configuration for all adapters.
• Includes MAC address, IP address, DNS servers, DHCP info, and more.
nslookup
• Queries DNS servers to resolve domain names to IP addresses.
• Useful for diagnosing DNS issues.
ping
• Sends ICMP packets to a target to test connectivity.
• Helps determine if a device or website is reachable.
netstat
• Displays active network connections, listening ports, and routing tables.
• Great for spotting suspicious connections or checking what ports are open.
arp
• Shows the ARP table (IP-to-MAC address mappings).
• Useful for diagnosing local network issues.
net use
• Manages network connections to shared resources.
• Example: map a network drive or disconnect one.
net user
• Displays user accounts or modifies them.
• Example: shows details for a specific user.
net user username /domain
• Queries user information from the domain controller (in a domain environment).
whoami
• Shows the currently logged-in user and security groups.
tasklist
• Lists all running processes on the system.
taskkill
• Terminates a running process by name or PID.
• Example:
logoff
• Logs the current user out of Windows.
shutdown /r
• Restarts the computer.
• = reboot after shutdown.
sfc /scannow
• Runs System File Checker to scan and repair corrupted Windows system files.
dir
• Lists files and folders in the current directory.
cd
• Changes the current directory.
mstsc
• Opens Remote Desktop Connection (RDP client).
systeminfo
• Shows OS version, install date, system model, uptime, hotfixes, and more.
wmic bios get serialnumber
• Retrieves the device serial number.
wmic csproduct get name
• Shows the computer model.
driverquery
• Lists installed drivers and their status.
hostname
• Displays the computer’s hostname.
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