What are shell variables?
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How can you count the number of characters and lines in a file?
What does pipe do in unix?
How to move files from one directory to other in unix?
What is the full meaning of unix?
Name the data structure used to maintain file identification?
What is grep|sort give example?
Can you explain the method of changing file access permission?
How to know the present working directory in unix?
Explain how do we change file access permissions?
Why is unix better than windows?
How does unix file system work?
Is unix the first operating system?