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This article mainly shows you "how to use wait commands in Linux", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "how to use wait commands in Linux" this article.

The commonly used Linux command wait command is used to wait for the instruction of an instruction until it is returned to the terminal after its execution. This instruction is often used in shell scripting, waiting for the specified instruction to be executed before continuing with subsequent tasks. When this directive waits for a job, the backup number "%" must be added before the job identification number.

Syntax format:

Wait [parameters]

Common parameter: 22 or% 1 process number or job number

Reference example

Wait for the job with assignment number 1 to be completed before returning:

[root@linuxcool ~] # wait% 1 [root@linuxcool ~] # find /-name password

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