OS/390 USS

This section cover various areas of using Unix Systems Services (USS) on the OS/390 or z/OS mainframe.

More information

All this information can be found in the IBM books:

Bookshelf: Unix Systems Services (find bookshelves)

Book: Unix Systems Services User's Guide (find user's guide books)

Book: Unix Systems Services Command Reference (find command reference books)

Book: Unix Systems Services Messages and Codes (find messages and codes books)

Quotes and problems

On the pages in this area, quotes are used to mean the following:

Words in double quotes are Hierarchical File System (HFS) filenames, directories or MVS dataset names.
Words in single quotes are things you would type in or displayed on the screen.

If you get any errors in USS (usually prefixed 'FSUM') you can use the command 'bpxmtext <8 digit reason code>' for a description of the reason code of the error.

Alternatively you can look in the IBM 'Unix Systems Services Messages and Codes' book mentioned above.

Introduction to USS

This page covers the basics of USS and the sort of information you need to know.

BPXBATCH

This page covers using BPXBATCH in JCL.

COBOL

Details writing and using COBOL programs in USS.

Commands

Lists the various common TSO and USS commands.

Java

Details writing and using Java programs in USS.