What is necessary before running a shell script from the terminal?
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What is regular file in unix?
Is windows a unix operating system?
How to get the n-th field from a Unix command output?
Which unix shell is best?
Is unix a kernel or os?
What are the layers of unix operating system?
What does sort do in unix?
How to copy files from one directory to other in unix?
Explain what is standard unix streams ?
How do you change directories in unix?
What are internal and external commands in unix?
How to display the contents of a file?