Code examples, input to the command line and application output.
Command-line commands, which are entered via a keyboard (in the terminal or terminal emulator), are marked with the command prompt character $ or # in the current manual. The character indicates the privileges required for execution of the specified command. According to the standard convention for UNIX-based systems
$ - indicates that the command can be executed with user rights.
# - indicates that the command can be executed with superuser (usually root) privileges. To elevate the privileges, use su or sudo commands.