Change a Tape's Expiration Date

To change the expiration date of tape KLN001 to February 1, 2000, enter the following:
```
vmtape catalog kln001 expdt 2000/032
```
To change the retention period of tape XXX002 to 11 years (4018 days) from today (January 15, 2000), enter the following:
```
vmtape catalog xxx002 retpd 4018
```
To expire tape X10001 today, enter the following:
```
vmtape catalog x10001 retpd 0
```