There are four ways to specify that a file is in UNIX System Services when you use the FILENAME statement or FILENAME function: You can also use these specifications in combination. For example, you ...

While the average Unix user is generally satisfied by the date/time stamps that he sees when using the ls -l command, it is sometimes useful to remember that there are actually several time stamps ...

consist of descriptor information and data values organized as a table of rows and columns that can be processed by one of the engines. The descriptor information includes data set type, data set ...