R PIP - User will run PIP on a listing file. Bouknight, et al. No identifier may exceed 8 characters in length. Device lasses designate classes of peripherals. OPR designates the operator's console teletype.
File labels provide the means for designating tape files symbolically.
If the form is used, the designated file is assumed to occupy the entire tape. Input to the system which does not begin with a will be passed on to the process to which the user is connected, if any. Bouknight, et al. The construct allows the user to specify that, if the connection cannot be set up immediately, the system is to keep trying. The directs the system to set up a connection between the and and copy records of information between them.