echo

Print given arguments. More information: https://www.gnu.org/software/coreutils/echo.

• 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 $?