# mg > A small, fast, and portable text editor based on `emacs`. > More information: . - Open a file for editing: `mg {{path/to/file}}` - Open a file at a specified line number: `mg +{{line_number}} {{path/to/file}}` - Open files in a read-only mode: `mg -R {{path/to/file1 path/to/file2 ...}}` - Disable `~` backup files while editing: `mg -n {{path/to/file}}`