2026-07-13

Top Linux Commands Every Cybersecurity Student Should Learn

Linux is the preferred operating system for many cybersecurity professionals. Learning basic terminal commands is one of the first steps toward becoming comfortable in security environments.

pwd

Displays the current working directory.

pwd

ls

Lists files and directories.

ls -la

cd

Changes the current directory.

cd /home/user

cat

Displays the contents of a file.

cat file.txt

grep

Searches text using patterns.

grep "error" logfile.txt

chmod

Changes file permissions.

chmod 755 script.sh

ps

Shows running processes.

ps aux

netstat

Displays active network connections.

netstat -tuln

Conclusion

Mastering these commands makes everyday security tasks much easier and provides a strong foundation for more advanced Linux administration.