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FAQ - R16 - JNTUK - CSE - Unix - Unit-3 (long answer questions (7 marks)…
FAQ - R16 - JNTUK - CSE - Unix - Unit-3
short answer questions (2-3 Marks)
Explain the significance of 'ls' command.
List out different types of Shell.
What is a Shell variable?
What is the PATH environmental variable in UNIX?
In what way Shell variables are different from Environmental variables.
long answer questions (7 marks)
Write about the significance of Unix environment variables and describe the related commands.
Write a script illustrating " case ........ esac" selection statement.
What is a Shell? Explain the two different duties of a Shell. How can you create a sub shell? How can you move to the parent shell after creating a sub shell?
What is Redirection? Explain the various commands used for redirection.
What is an Environment variable? List out the common environment variables that control the user environment in Shell.
Compare different loops used in Shell script
Write a shell script to get current date, time, user name and current working directory.
Is it possible to pipe output of a command as an argument to a shell script? Justify your answer.
Explain about various loop control statements of C shell with a sample example.
What are the advantages and disadvantages of Shell scripting?
Write a Shell Script to display result based on the value returned from a function call.
Prepared by: Srinivas Adapa, Associate Professor, CSE Department, CITM