U88001 is a "container" hot fix that contains "member" hot fixes which will update your SAS software components.
See "What is a container hot fix?" in the SAS Hot Fix FAQ for more information on container and member hot fixes.
A manifest listing the contents of each of the following "member" hot fixes is available:
U86001 manifest for SAS Scalable Performance Data Server 5.2
U87001 manifest for SAS Scalable Performance Data Client 5.2
W18001 manifest for SAS Threaded Kernel Drivers for Scalable Performance Data 5.2