echo Command - Display a Line of Text

echo is a simple command used to display a line of text or variables to the standard output. It is commonly used in shell scripts and command-line operations.

Syntax

echo [options] [string ...]

Examples

echo "Hello, world!"

echo $HOME

Notes

• Use -n to suppress the trailing newline.
• Supports escape sequences with -e (e.g., \n for newline).
• Behavior may differ between shells (e.g., bash vs. sh).