Unix/Linux (10/17) (120-150)
(Command) Name of the file that vi looks for when it is invoked
.exrc
(T/F) A multi-tasking operating system is capable of executing more than one program at a a time for a user
True
(T/F) A multi-user operating system is capable of providing services for many users on the system concurrently
True
(T/F) ASCII code is one of the code schemes used to represent characters in a byte
True
(T/F) About 95 percent of the UNIX operating system is written in C language
True
(T/F) At the end of each command line you must press the return key to signal the completion of your command
True
(T/F) Every command must have at least one argument
True
(T/F) Gb is about one billion bytes
True
(T/F) In the operating system mode1 the service layer translates the service requests from users/programs and passes them to the kernel layer
True
(T/F) Mb is about one million bytes
True
(T/F) Only the system administrator is authorized to change the system time
True
(T/F) The command layer or shell responds to the set of commands that are supported by the operating system
True
(T/F) The two major versions of the UNIX operating system are AT&T's UNIX version V and Berkeley UNIX
True
(T/F) The utility layer provides the user-interface
True
(T/F) UNIX is a case-sensitive system and command names are in lower-case
True
(T/F) UNIX is a multi-user, multitasking operating system
True
(T/F) UNIX is not case sensitive, and you may type commands in lower or uppercase letters
True
(T/F) UNIX looks at the devices such as printers and terminals as files
True
(T/F) You can change your password as many times as you wish
True
(T/F) You must login to use the system. It means that, in response to prompts you type your user Id and password
True
(T/F) A single-tasking operating system executes one program at a time for many users
False
(T/F) Any user can change the system date and time using the date command
False
(T/F) Only the system administrator can change your password
False
(T/F) Options and arguments are necessary parts of each command
False
(T/F) The UNIX operating system is available only on mini computers
False
(T/F) The kernel is the outermost layer of the operating system, and it is the only layer that interacts with the user
False
(T/F) The man command is issued to manage computer resources
False
(T/F) The shell program is part of the UNIX kernel
False
(T/F) The shell programs are written in C language
False
(T/F) You terminate your session by turning off the terminal
False
