1 catlog 2? 2 -? 2 -h 2 -help 3? -entries 3.1 25 3.1 50 3.1 75 3.1 100 4? -log 4.1! cluster 4.1 admin 4.1 audit 4.1 event 4.1 security 5? -date YYYY–MM–DD 6? -order 6.1 newest 6.1 oldest 7 -level 8+ , 8 info 8 err 8 warn 8 sev