Linux

Get the number of installed packeges on the system

dpkg-query -W | wc -l # Debian based Systems
yum list installed | wc -l # RPM-Based Systems (not verified to work)

List running services on Systemd

systemctl list-units --type=service --state=running

Commands

dd if=debian-11.6.0-amd64-netinst.iso of=/dev/sdb bs=4M

Cheet Sheet Link [title](https://www.example.com)

Heading

# H1
## H2
### H3