Related:

• virtual shredder: n. The jargonic equivalent of the {bit bucket} at shops using IBM's VM/CMS operating system.
  VM/CMS officially supports a whole bestiary of virtual card readers, virtual printers, and other phantom device...
• exec: /eg-zek'/ vt., n. 1. [UNIX: from `execute'] Synonym for {chain}, derives from the `exec(2)' call.
  2. [from `executive'] obs. The command interpreter for an {OS} (see {shell})...
• exec /eg-zek'/ or /eks'ek/ vt., n. 1. [Unix: from `execute'] Synonym for chain, derives from the exec(2) call.
  2. [from `executive'] obs. The command interpreter for an OS (see shell)...
• plumbing: [UNIX] n. Term used for {shell} code, so called because of the prevalence of `pipelines' that feed the output of one program to the input of another.
  Under UNIX, user utilities can often be implemented or at least prototyped by a suitable collection of pipelines and temp-file grinding encapsulated in a shell scrip...
• virtual: [via the technical term `virtual memory', prob.
  from the term `virtual image' in optics] adj. 1....
• bounce: v. 1. [perhaps by analogy to a bouncing check] An electronic mail message that is undeliverable and returns an error notification to the sender is said to `bounce'.
  See also {bounce message}. 2. [Stanford] To play volleyball....
• MS-DOS:: /M-S-dos/ [MicroSoft Disk Operating System] n.
  A {clone} of {{CP/M}} for the 8088 crufted together in 6 weeks by hacker Tim Paterson, who is said to have regretted it ever since....
• eal: adj. Not simulated. Often used as a specific antonym to {virtual} in any of its jargon senses.
  -- The AI Hackers Dictionary...
• dd: /dee-dee/ [UNIX: from IBM {JCL}] vt. Equivalent to {cat} or {BLT}.
  Originally the name of a UNIX copy command with special options suitable for block-oriented device...