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problem 1: Describe the following commands with syntax, options and exs:

a) Head
b) Tail
c) More
d) pg

problem 2: Describe about various file handling utilities available in LINUX. Quote different options and exs for each.

problem 3: Describe about awk and sed.

problem 4: How a file can be describeed in UNIX environment? List and describe about the different types of files in UNIX.

problem 5: Define the term Shell. Describe various types of shells available in UNIX. Describe Shell Responsibilities.

problem 6:

a) describe any four built in variables in Shell and describe their use giving an illustration for each.

b) prepare a shell script to display GUD MRNG, GUD AFTERNOON, GUD NIGHT based on system time whenever user logs on.

c) prepare a shell script to find out the factorial of a number.

problem 7: Describe about Shell Meta Characters, Shell Variables, Environment Variables, I/O Redirection operators.

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