# System Maintained Fields

This provides the filePro version number that added or modified the system maintained field. If you are using an older version than identified, the system maintained field will not work. Items with version number 3.x were included in version 3.1 or earlier.

Version No. | Field | Description
3.x | @AF | Associated field instance.
4.8 | @B4 | 4 digit year equivalent of @BD
3.x | @BD | Last batch update. (MM/DD/YY)
4.0 | @BK | Exit key for browse lookup.
3.x | @BR | The currently highlighted
4.8 | @C4 | 4 digit year equivalent of @CD
3.x | @CB | The name of the user that first created the record.
3.x | @CD | The date that the current record was created.
5.0 | @CO | The column of field left or entered.
4.8 | @CP | Position of the cursor within the field you just left.
3.x | @DT | The current date, spelled out.
4.1 | @FD | Field cursor is in.
4.8 | @FI | Current file name
3.x | @FN | The current format name.
3.x | @ID | The name of the current user.
3.x | @LC | Line count.
5.0 | @LI | The current line number within processing.
4.1 | @OS | The operating system name ("DOS", "UNIX", "LINUX", etc.)
4.8 | @PC | Current printer comment
4.8 | @PD | Current printer destination
3.x | @PM | Parameter passed to ".prc" browse lookup row.
3.x | @PN | The current page number.
4.8 | @PR | Current printer name
4.8 | @PT | Current printer type
4.8 | @PW | Parameter passed to "prc" with -rw flag.
4.8.5 | @PX | Parameter passed to "prc" with -rx flag.
4.8.5 | @PY | Parameter passed to "prc" with -ry flag.
4.8.5 | @PZ | Parameter passed to "prc" with -rz flag.
4.8 | @QU | Current qualifier
3.x | @RN | The current record number.
5.0 | @RO | Row position of field.
4.8 | @RP | Number of records processed.
3.x | @RS | Number of records selected so far.
3.x | @SF | The contents of the subtotal
3.x | @SH | The name of the subtotal
4.1 | @SK | Special key (used with INKEY, when-processing only)
3.x | @SN | The current screen.
4.8 | @T4 | 4-digit-year equivalent of @TD
3.x | @TD | The current date. (MM/DD/YY)
3.x | @TM | The current time. (HH:MM:SS)
3.x | @TS | The total number of records selected for this report.
3.x | @UB | The name of the user that last updated this record.
4.8 | @U4 | 4 digit year equivalent of @UD
3.x | @UD | The date the current record was last updated. (MM/DD/YY)
4.8.4 | @VR | Version number of *clerk or * report being run.