Related:

• Master trace is the system's answering machine. It collects your messages, discards the old ones, and you never get those annoying hang-up calls.
  -- MVS/ESA: Diagnosis: Tools and Service Aids LY28-1813-03 -- 8.0 Chapter 8. Master Trace...
• Component trace is like a Swiss Army Knife: a lot of little tools built into one.
  -- MVS/ESA: Diagnosis: Tools and Service Aids LY28-1813-03 -- 10.0 Chapter 10. Component Trace...
• Instruction address trace is the systems little black book, chock full of the addresses of all those important instructions -- MVS/ESA
  Diagnosis: Tools and Service Aids LY28-1813-03 -- 12.0 Chapter 12. Instruction Address Trace...
• Using GTF is like programming your VCR to tape that important show while you're at the bowling league.
  It takes some time and planning to set it up right, but hey, you get to see your show!...
• Who's hogging all that virtual storage??!? Let GFS find the culprit!
  -- MVS/ESA: Diagnosis: Tools and Service Aids LY28-1813-03 -- 11....
• A laser that allows you to perform surgery on the system.
  . . . and you don't need a PhD! -- MVS/ESA: Diagnosi...
• The system's pasta maker. . . take a lump of dough, send it through AMBLIST, and you come out with beautiful spaghetti!
  -- MVS/ESA: Diagnosis: Tools and Service Aids LY28-1813-03 -- 14.0 Chapter 14. AMBLIST...
• You don't want to see system messages, you just want everything to work right.
  But since you have to use them, here's how. -- MVS/ESA...
• Just a little picture before the lights go out. -- MVS/ESA
  Diagnosis: Tools and Service Aids LY28-1813-03 -- 4.0 Chapter 4. ABEND Dump...