echo

Print given arguments. More information: https://www.gnu.org/software/coreutils/manual/html_node/echo-invocation.html.

• Print a text message. Note: quotes are optional:

echo "Hello World"

• Print a message with environment variables:

echo "My path is $PATH"

• Print a message without the trailing newline:

echo -n "Hello World"

• Append a message to the file:

echo "Hello World" >> file.txt

• Enable interpretation of backslash escapes (special characters):

echo -e "Column 1\tColumn 2"

• Print the exit status of the last executed command (Note: In Windows Command Prompt and PowerShell the equivalent commands are echo %errorlevel% and $lastexitcode respectively):

echo $?