Unix 面试题与答案
Question: What is an advantage of executing a process in background?Answer: The most common reason to put a process in the background is to allow you to do something else interactively without waiting for the process to complete. At the end of the command you add the special background symbol, &. This symbol tells your shell to execute the given command in the background.Example: cp *.* ../backup& (cp is for copy) |
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