The task is to create a new file called "TAPE.FILE" of any size on Magnetic Tape.

// EXEC PGM=IEBGENER 
//* Create a file named "TAPE.FILE" on magnetic tape; "UNIT=TAPE" 
//*    may vary depending on site-specific esoteric name assignment 
//SYSPRINT DD SYSOUT=* 
//SYSIN    DD DUMMY 
//SYSUT2   DD UNIT=TAPE,DSN=TAPE.FILE,DISP=(,CATLG) 
//SYSUT1   DD * 
DATA TO BE WRITTEN TO TAPE 
/* 