Question

Syntax of a Unix command is:
command [+/-options] arguments
ОО
command options arguments
command [+/-options] [arguments]
command options [arguments]​

Answer 1

Answer:

The correct answer is : command [+/- options] [arguments]

Explanation:

• UNIX commands have three distinct aspects to their syntax: the command itself, a list of parameters, and a list of arguments.
• The choices or the list of arguments may be skipped depending on the command you are using and how it is being used, but for the sake of this class, we can say that all three must be done in this order.
• In the world of computers, a command's syntax refers to the guidelines that must be followed in order for a piece of software to interpret it.
• For instance, a command's syntax may specify case-sensitivity and the kind of arguments that can be used to change how the command behaves.
• A UNIX/Linux system requires the user to enter commands in response to a command prompt in the terminal window in order to use it. In essence, a command prompt means that the computer is asking the user to enter a command.
• Furthermore, in the University's EOS system, the computer command prompt is EOS.
• These commands are brief character combinations that the computer is programmed to interpret.
• The computer tries to carry out the user's command after receiving it.
• Another command prompt will be displayed once the system has completed the specified action.
• To further specify an action, Linux/UNIX commands accept options and/or arguments that be specified after the first command.
• In general, arguments are paths to files (see File Systems), and options give the command more particular functions or allow it to do extra actions.
• Options need to be separated from each other with a dash (-).
• Additionally, because this course is case-sensitive, all instructions used in it must be written in lowercase.

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