OLD specifies exclusive use of a dataset, SHR allows multiple jobs to concurrently access the dataset Note: When updating a dataset, you would normally use OLD.

Popularity: unranked [?]

Related interview questions

• What is the difference between specifying DISP=OLD and DISP=SHR for a dataset?
• I have multiple jobs ( JCLs with several JOB cards ) in a member. What happens if I submit it?
• When should DISP=MOD is used?
• What is model dataset label(Model DSCB)?
• What are the optional parameters to the input dataset While loading the empty cluster with the data records?