Explain about shell aritmetic operators and functions?
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What is the difference between soft link and hard link in Unix operating system ?
What is a regular file in unix?
What are the essential features of the unix operating system?
Explain the method of changing file access permission?
What is positional parameters in unix?
How do you determine and set the path in unix?
Discuss briefly about the directory representation in unix.
What is unix and why it is used?
How to display n-th line of a file in Unix?
Which unix shell is best?
How to remove the directory in unix?
Explain about the directory representation in UNIX?