Index - O
| ObnamParam | Propellor.Property.Obnam |
| observe | Propellor |
| oldUseNetShellBox | Propellor.Property.SiteSpecific.JoeySites |
| onChange | Propellor.Property, Propellor |
| OnlyClient | Propellor.Property.Obnam |
| openBinaryFile | Propellor |
| openBinaryTempFile | Propellor |
| openBinaryTempFileWithDefaultPermissions | Propellor |
| openFile | Propellor |
| openTempFile | Propellor |
| openTempFileWithDefaultPermissions | Propellor |
| optional | Propellor |
| os | Propellor.Attr, Propellor |
| outputNL | Propellor |
| ownerGroup | Propellor.Property.File |