Mainframe General : MAXIMUMs and MINIMUMs

Questions
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1. MAX no. of DD statements possible in a Job step.
2. MAX no. of EXEC statements possible in a JOB.
3. MAX file record length allowed in COBOL.
 (i.e. PIC X(n) - what is the max value that 'n' can take).
4. MAX working storage variable length allowed, in COBOL
 (i.e. PIC X(n) - what is the max value that 'n' can take).
5. MAX Table size permitted, in COBOL.
6. MAX value of return code we can check for.
7. MAX no. of characters we can give as PARM to a pgm.
8. MAX no. of in-stream procedures that can be coded in a JOB.
9. MAX size permitted for the KEY of a VSAM KSDS.
10. MAX size permitted for an Alternate KEY.
11. MAX no of duplicates permitted in an ALT Index.
12. MAX record size allowed for an ALT index.
13. MIN record length required for a dataset to be edited in ISPF
14. MAX record length possible for a dataset to be edited in ISPF
15. MAX no of items possible for a TSQ
16. MAX record length per item, for a TSQ
  
Answers
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1. 3273
2. 255
3. 
4. 
5. 
6. 4095
7. 100
8. 15
9. 255
10. 255
11. 32768
12. Theoretically 8356100 ( 5 + 255 + (32768 * 255) ), don't know how much VSAM allows.
13. 10 for FB, 14 for VB.
14. 32760 for FB, 32756 for VB.
15. 32,767
16. 32,763, (but safe limit is 24K)