ls -la

pwd

whoami

cd /var/log

mkdir project

cp file.txt backup/

rm -rf tmp/

touch notes.txt

cat README.md

history | tail

chmod 755 scan.sh

chown root:root key.pem

ps aux | grep nginx

df -h

du -sh *

grep -r "error" /var/log

tar -xzvf archive.tar.gz

ssh user@10.0.0.5

scp report.pdf host:/tmp

kill -9 1337

sudo systemctl restart nginx

iptables -L -n -v

nmap -sV -p- 10.0.0.1

netstat -tulpn

awk '{print $1}' access.log

find / -perm -4000 2>/dev/null

openssl req -x509 -newkey rsa:4096

journalctl -u sshd --since today

shahid@security:~$SHAHID SECURITY█

// case studies

Real work, real results

Higher Education / IoT Security Research

Independent Research — Qarshi University, Lahore

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