AIX 4.3.3 NetView 6.0.2

when I go into my /usr/OV/ocnf/rulesets directory I have the rulesets that I 
have created, but then there are rulesets with odd extensions. What are 
these and are they safe to delete? Thanks!

Default.rs             aix-nmc-interface.rs   cisco.rs               
forwardall.rs          sampcorrNuNd.rs
Default.rsAfdOEa       aix-nmc.rs             cscunix.rs             
notes.rs               wwrpt.rs
Default.rsbKr3aa       aixv2.rs               cscunix2.rs            
notes.rsZa5vqb         wwrpt.rsJrMPUb
aix-interface.rs       aixv2.rsYmoYMb         cscunix2.rs_NHe7b      
novell.rs              wwrpt.rst3Idyb
aix-mc.rs              bdc-node-unmanaged.rs  cscunixtemp.rs         
plano-infra.rs
aix-mc.rsMPAk7e        bdc.rs                 esm_test.rs            
sampcorrIuId.rs

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