Accessing Files Programmer's Guide (32650-90885)

Chapter 3 81
Specifying a File Designation
System-Defined Files
Figure 3-2. Passing Files within a Program Run
$NEWPASS and $OLDPASS are specialized disk files with many similarities to other disk files.
Comparisons of $NEWPASS to new files, and $OLDPASS to old files, are given in Table 3-4. on
page 81 and Table 3-5. on page 82.
Table 3-4. New Files Versus $NEWPASS
NEW $NEWPASS
Disk space allocated. Disk space allocated.
Disk address put into control block. Disk address put into control block.
Default close disposition:
Deallocate space.
Delete control block entry.
Default close disposition:
Rename to $OLDPASS.
Save disk address in current job or session
table. (Job Information Table)
Delete control block entry.