"JCL" Quotes from Famous Books
... [Unix: from IBM {JCL}] Equivalent to {cat} or {BLT}. Originally the name of a Unix copy command with special options suitable for block-oriented devices; it was often used in heavy-handed system maintenance, as in "Let's 'dd' the root partition onto a tape, then use the boot PROM to load it back on to a new disk". ... — The Jargon File, Version 4.0.0 |