Procedure for viewing and setting environment variables


Question 1:

Write down the name of layers which are present in a UNIX Architecture? List and illustrate each of them.

Question 2:

Illustrate out the term Inter-Process Communication. What are numerous approaches to accomplish the same?

Question 3:

Write down the procedure for viewing and Setting Environment Variables?

Question 4:

How will you carry out the following in vi?

• To search and replace all occurences of pattern1 with pattern2
• Insert text (and enter input mode)
• Append text (to end of line)
• Move to the end of line

Question 5:

What do you understand by the term crond? What is its use?

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Operating System: Procedure for viewing and setting environment variables
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