error: no command specified Usage: dconf COMMAND [ARGS...] Commands: help Show this information read Read the value of a key list List the contents of a dir write Change the value of a key reset Reset the value of a key or dir compile Compile a binary database from keyfiles update Update the system databases watch Watch a path for changes dump Dump an entire subpath to stdout load Populate a subpath from stdin Use 'dconf help COMMAND' to get detailed help.