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Exam LX0-104 topic 3 question 7 discussion

Actual exam question from CompTIA's LX0-104
Question #: 7
Topic #: 3
[All LX0-104 Questions]

What is the main difference between the batch and at commands?

  • A. The batch command will run multiple times. The at command will only run once.
  • B. The commands of a batch job run sequentially one after another while the commands in at jobs may run in parallel.
  • C. The at command reads commands from standard input. The batch command requires a command line argument.
  • D. The at command e-mails results to the user. The batch command logs results to syslog.
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Suggested Answer: B 🗳️

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linux_admin
2 years, 2 months ago
The main difference between the batch and at commands is that the commands of a batch job run sequentially one after another (B) while the commands in at jobs may run in parallel. The batch command is used to execute a series of commands in a batch-like fashion, i.e. they are executed in the order they are given and must finish executing one command before moving on to the next. The at command, on the other hand, allows you to execute commands at a specified time or date, potentially executing multiple commands simultaneously.
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