: Often represents the product ID or primary version level.
: Bundles used during the rollout of z/OS V1R10 enhancements, including UNIX System Services or processor support updates. 1-01-10-1.7z
: If 7-Zip reports "Can not open file as archive," it usually means the header is damaged or the file was transferred incorrectly (e.g., via FTP in ASCII mode instead of binary). : Often represents the product ID or primary version level