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The echo instruction can output the content to standard output, dividing the string with white space, followed by a newline. The scope of application of this command: RedHat, RHEL, Ubuntu, CentOS, Fedora. 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" / / 31 in hexadecimal, converted to 49, the ascii character represented is 11 [root@localhost ~] #

Original address: https://www.linuxprobe.com/linux-basic-echo.html

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