INTRODUCTION TO UNIX MCQ

Unix operating system

Title
Which of the following is not true about UNIX?
POSIX is a set of standards specified for establishing compatibility between operating systems
Shell is a command interpreter used for interacting with a UNIX system
Which part of the UNIX operating system interacts with the hardware?
Two UNIX systems may or may not use the same set of system calls
What is a superuser?
What is the windowing system of UNIX known as?
What are Commands?
In how many categories, commands of UNIX operating system classified?
Which command is used for extracting the details of the operating system?
The sequences of directories that a shell searches while looking for a command is specified in the PATH variable
Options are also arguments but begin with a –
Which of the following is not a valid option of uname?
How can we specify more than one command in the command line at the same time?
Which command is used to display the documentation of commands in UNIX?
Which command is used for displaying date and calendar in UNIX?
What is the output of who command?
What are meta-characters?
Which command is used for displaying date in the format dd/mm/yyyy ?
echo command is used for _________

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