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• assembler

  An assembler is a program that takes basic computer instructions and converts them into a pattern of bits that the computer's processor can use to perform its basic operations. Continue Reading

• batch

  In a computer, a batch job is a program that is assigned to the computer to run without further user interaction. Continue Reading

• job step

  In certain computer operating systems, a job step is part of a job, a unit of work that a computer operator (or a program called a job scheduler) gives to the operating system. Continue Reading

• job scheduler

  A job scheduler is a program that enables an enterprise to schedule and, in some cases, monitor computer 'batch' jobs (units of work, such as the running of a payroll program). Continue Reading

• alien crosstalk (AXT)

  Alien crosstalk (AXT) is electromagnetic noise that can occur in a cable that runs alongside one or more other signal-carrying cables. Continue Reading

• Definitions to Get Started

  • Spine-leaf (spine-leaf architecture)
  • computer room air conditioning (CRAC) unit
  • data center management
  • economizer

  • z/OS
  • GNU/Linux
  • ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers)
  • green data center

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• Bourne shell

  The Bourne shell is the original UNIX shell (command execution program, often called a command interpreter) that was developed at AT&T. Named for its developer, Stephen Bourne, the Bourne shell is also known by its program name, "sh". The shell ...Continue Reading

• mainframe (big iron)

  A mainframe (also known as 'big iron') is a high-performance computer used for large-scale computing purposes that require greater availability and security than a smaller-scale machine can offer... (Continued)Continue Reading

• data integrity

  Data integrity is the assurance that digital information is uncorrupted and can only be accessed or modified by those authorized to do so. Integrity involves maintaining the consistency, accuracy and trustworthiness of data over its entire life ...Continue Reading

• multiprocessing

  Multiprocessing is the coordinated processing of programs by more than one computer processor.Continue Reading

• channel

  In telecommunications in general, a channel is a separate path through which signals can flow. Depending on the context, this term has various meanings.Continue Reading

• cluster computing

  In computers, clustering is the use of multiple computers, typically PCs or UNIX workstations, multiple storage devices, and redundant interconnections, to form what appears to users as a single highly available system.Continue Reading

• distribution

  In marketing, distribution is the process of moving a product from its manufacturing source to its customers. In computer software, distribution is the phase that follows packaging.Continue Reading

• crontab

  crontab is a UNIX command that creates a table or list of commands, each of which is to be executed by the operating system at a specified time.Continue Reading

• CRON script

  A CRON script is a list of one or more commands to a computer operating system or application server that are to be executed at a specified time.Continue Reading

• BSD (Berkeley Software Distribution)

  BSD (originally: Berkeley Software Distribution) refers to the particular version of the UNIX operating system that was developed at and distributed from the University of California at Berkeley.Continue Reading