Tasks & Solution of Operating System

1. By using gedit, open a text editor and write the C program That print your name. Save the written file as “name.c”. In order to compile and execute the output file, do the following:

$ gcc - o name name.c

$ ./name

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2. Make changes within the above program to display a new output text as given below. Write down the developed program.

Hello World! I am studying Operating Systems.

My name is “Enter your name”.

My registration number is “Enter your registration number”.

I belong to Bahria University Karachi Campus.

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1. Write the C programs to find the factorial of any number and generate their outputs over Linux environment.

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2. Write a C program on the Linux environment that takes your marks as an input and display your grades accordingly to that followed at Bahria University. Limit your program to a maximum of five subjects. Use the suitable logical operator(s), i.e. and (&&), or (||), not (!), if required.

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3. Write a shell script to display your address over multiple lines.

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4. Write a shell script that would traverse among any three directories that are placed under the /home directory. While moving from one directory to another, the script should display the name of the current working directory and list the content within that directory, including the hidden files.

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