What are shell variables?
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Is windows a unix operating system?
Is it possible to count number char, line in a file; if so, How?
briefly describe the shell's responsibilities?
Explain how do we change file access permissions?
In what way the Fault Handlers and the Interrupt handlers are different?
How to calculate the number of words in a file?
What is RC (return code)? What is useful for? Which are the common values?
What is umask in unix?
How to compare two text files in unix?
Is unix a language?
Is mac built on unix?
What do you understand by the term filters?