Learn By Doing for Free

Comprehensive modules to build your IT expertise

Networking Commands

for windows and linux

Learn networking commands, troubleshooting, and protocol fundamentals.

24+ Commands

Security Commands

for windows and linux

Learn security best practices, encryption, and secure configurations.

24+ Commands

System Commands

for windows and linux

Manage users, services, processes, and system configurations.

24+ Commands

More Commands

coming soon

New command tutorials and simulators are on the way!

Stay tuned...

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Quick Command Cheat Sheet

Essential commands every IT professional should know

Windows Commands

ipconfig

Display IP configuration

ping [host]

Test network connectivity

netstat -an

Show active connections

tasklist

List running processes

systeminfo

Display system information

nslookup [domain]

Query DNS records

netsh advfirewall

Configure Windows Firewall

sfc /scannow

Scan system files

chkdsk /f

Check disk for errors

gpupdate /force

Update group policies

Linux Commands

ip addr

Display IP addresses

ping [host]

Test network connectivity

ss -tulpn

Show listening ports

ps aux

List running processes

top

Monitor system resources

dig [domain]

Query DNS records

ufw enable

Enable firewall

chmod 755 [file]

Change file permissions

df -h

Check disk space

systemctl status

Check service status

Watch Commands in Action

See real commands executing in real-time