Use the CHDRV command to change the current drive.
Options
d:
Specifies a valid drive letter.
About the CHDRV Command
R:BASE assumes you want to use the current drive.
To display the current drive, use CHDRV without designating a drive.
Examples
The following command displays the current drive.
CHDRV
The following command makes drive A: the current drive.
CHDRV a:
The following command makes drive C: the current drive.
c: