What does ‘$’ mean in Linux? BASICS. Syntax for this manual. Remember the UNIX/LINUX command line is case sensitive! “$” indicates start of command. “#” indicates end of command and start of comment.
What does ‘#’ mean in Linux? (It actually means “normal user” or “non-root user”) # would dictate a root user.
What does %U mean in Linux? %u A single URL. Local files may either be passed as file: URLs or as file path. %U A list of URLs. Each URL is passed as a separate argument to the executable program. Local files may either be passed as file: URLs or as file path.
What is %U in shell script? %u simply means that the file name should go there. It is useful so you can put arguments after the filename. There are several other flags you can use. Copy link CC BY-SA 2.5. Follow this answer to receive notifications.