$ curl cheat.sh/
# rkhunter
# Searches for rootkits and malware.
# More information: <https://wiki.archlinux.org/title/Rkhunter>.

# Check a system for rootkits and malware:
sudo rkhunter --check

# Update rkhunter:
sudo rkhunter --update

# Print all available tests:
sudo rkhunter --list

# Display version:
sudo rkhunter --versioncheck

# Display help:
sudo rkhunter --help

$
Follow @igor_chubin cheat.sh tldr