Unix & Shell Programming

What is Unix?

• Unix is a programming language

• Unix is a software program

• Unix is an operating system

• Unix is a text editor

In which language UNIX is written?

• C++

• C

• Java

• Python

Which of the following is the first UNIX editor?

• vi

• emacs

• ex

• ed

Which of the following is not a part of all the versions of Unix?

• System Calls

• Graphical user interface

• Kernel and Shell

• Commands and utilities

Which Unix command is used for changing the current directory?

• pwd

• rm

• cd

• cp

Which command is used for displaying the contents of a file in Unix?

• mkdir

• cat

• rm

• cp

Which of the following commands is known as stream editor?

• grep

• tr

• sed

• td

Which of the following is not a type of shell?

• The C Shell

• The Korn Shell

• The Bourne Shell

• The Perl Shell

The prompt issued by the shell is called ______

• prompt

• command translator

• command prompt

• command executor

What is the default symbol for command prompt in Bourne shell?

• !

• #

• $

• @