$PR
$PR  Put source disk in drive 1; destination disk in drive 0
$PR
$PR  Type return to continue
$PR
$RET
COPY MEDIT:S/1,MEDIT:S
COPY MEDIT1:S/1,MEDIT1:S
COPY MEDIT2:S/1,MEDIT2:S
COPY MEDIT3:S/1,MEDIT3:S