# ClamAV > Open-source anti-virus program. > ClamAV isn't a command, but a set of commands. > More information: . - Show the tldr page for scan files using the `clamd` daemon: `tldr clamdscan` - Show the tldr page for scan files without the `clamd` daemon running: `tldr clamscan` - Show the tldr page for update the virus definitions: `tldr freshclam`