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This article mainly introduces the relevant knowledge of "what is the use of Linux's echo command?" the editor shows you the operation process through an actual case. The operation method is simple, fast and practical. I hope this article "what is the use of Linux's echo command" can help you solve the problem.

The echo command is the most basic command in linux, and it is also a commonly used command, especially when writing shell scripts. Although the echo command is very basic, it is rich in functionality.

Syntax echo [- neE] [arg.] List of options

Use the example

Use "\ f" line feeds

[root@localhost ~] # echo-e "hello\ fworld" / / the-e option must be used. After\ f wrapping, the cursor is still at the end of hello world [root@localhost ~] #

Use "\ n" line feeds

[root@localhost ~] # echo-e "hello\ nworld" / / you must use the-e option,\ nAfter a line break, the cursor begins with helloworld [root@localhost ~] #

Output ascii characters

[root@localhost] # echo-e "\ x31" / / hexadecimal 31, converted to 49, the representative ascii character is 11 [root@localhost ~] # this is the end of the content about "what is the use of Linux's echo command". Thank you for reading. If you want to know more about the industry, you can follow the industry information channel. The editor will update different knowledge points for you every day.

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