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This article mainly introduces how to use the exec command in Linux. It is very detailed and has a certain reference value. Friends who are interested must finish it!

Using the exec command on the Linux system does not start the new Shell, but replaces the current Shell process with the execute command, and cleans up the environment of the old process, and other commands after the exec command will no longer be executed.

Syntax format exec [parameters]

Common parameter:-c executes the specified command in an empty environment

The reference example first uses the echo command to change the text "Welcome to use Linux!" Output:

[root@linux265 ~] # echo Welcome to use Linux! Welcome to use Linux! Then use the exec command to invoke the echo command to output the same information, and compare the output information:

[root@linux265 ~] # exec-c echo Welcome to use Linux! Welcome to use Linux! Find the files belonging to the Jaking user and copy them to the / findfiles directory:

[root@linux265 ~] # find /-user Jaking-exec cp-Ra {} / findfiles\; above is all the content of the article "how to use exec commands in Linux". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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