How to clear log files in Solaris 10 unix

Directories with log files

• /var/adm/        -> system messages, login/logout logs
• /var/log/          -> various logs, Xorg logs...
• /var/svc/log/    -> logs with information about services

Clear:   rm -fr /var/adm/* ; rm -fr /var/log/* ;  rm -fr /var/svc/log/