Here are some helpful commands for day to day IT tasks and troubleshooting -
- User AD account status and info - net user "username" /domain
- Verify an ICMP connection from the computer to a host or IP - ping "hostname or ip" -t
- Trace route of packets over the network - tracet "hostname, ip, domain"
- View IP routing table - route print
- Query DNS for IP assigned to a host - nslookup "hostname or ip"
- Installing .msi applications - msiexec.exe [/i][/a][/j{u|m|/g|/t}][/x] <path_to_package> (https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/msiexec)