Session and utilities

The echo command

Prints text on screen. With redirection, it writes to files.

Syntax

echo [texto]

Most useful options

-eInterprets \n and \t
-nDoes not add a trailing newline

Copy-ready examples

$ echo holaSay hello
$ echo hola > saludo.txtCreate a file with text
$ echo $HOMEShow a variable

You can try them in the browser terminal: it does not touch your computer.

Typical mistakes

  • A single > overwrites the file; >> appends at the end.

Related commands

catexportalias

FAQ

How do I write several lines?

With printf and \n, or with several commands chained with >>.

Learn to actually use it

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