SYSLEVEL.OS2

In the following example, SYSLEVEL was run on an OS/2 Warp Version 4 system where Corrective Service Facility (CSF) v1.39 has been used, and SYSLEVEL.OS2 indicates that FixPak 9 has been applied (Current CSD level: XR04009).

C:\OS2\INSTALL\SYSLEVEL.OS2
                           IBM OS/2 Base Operating System
Version 4.00     Component ID 5639A6100
Type 0C
Current CSD level: XR04009
Prior   CSD level: XR04000