| Previous | Contents | Index |
| X |
|---|
| X edit descriptor |
| See also LRM |
| XAB |
| See Extended access block (XAB) |
| XABALL (RMS) |
| allocation control block |
| XABDAT (RMS) |
| date and time control block |
| XABFHC (RMS) |
| file header characteristics control block |
| XABITM (RMS) |
| item list control block |
| XABJNL (RMS) |
| journaling control block |
| XABKEY (RMS) |
| key definition control block |
| XABPRO (RMS) |
| protection control block |
| XABRU (RMS) |
| recovery unit block |
| XABSUM (RMS) |
| summary control block |
| XABTRM (RMS) |
| terminal control block |
| Z |
| Zero |
| representation in Alpha floating-point data |
| ZEXT function #1 |
| ZEXT function #2 |
| See also LRM |