2 HE Prints this text. 2 LR Use this command to set the logical record size of the blocks on the tape. LR must be less than or equal to BL, and if not specified, defaults to the previous value given by an LR command, or the value of the last BL command, if LR is greater then the current blocksize. 2 OL Toggles the writing of standard IBM labels to an output tape. 2 QU Rewinds the tape and exits the program.
All open files are closed.
2 RE Reset EOF indicator. This is an experimental method to sometimes allow reading past EOF marks. 2 RF Set record format. Writing is supported only for FB and VB record types. 2 RW Rewinds the tape.