Compilation of base package
Installing on shell account
Adding new system user and group
If you are installing ClamAV for the first time, you have to add a new user and group to your system:
# groupadd clamav # useradd -g clamav -s /bin/false -c "Clam AntiVirus" clamav
Consult a system manual if your OS has not
Don't forget to lock access to the account!