What's a command word?
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how many internal commands is there in UNIX?
what is the difference between SED and GREP ? Which one is more better and why?
What are file commands?
what is the functionality of kernel in unix architecture?
how to find largest file?
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When the shell is reading the command line what is the difference between text enclosed between double quotes ( ” ) and text enclosed between signal quotes ( ’ )?
Write a command that will find all text files in a directory such that it does not contain the word "amazing" in any form (that is, it must include the words amazing, amazing, or amazing)?
What is the difference between grep and grep?
Describe the zip/unzip command using gzip.
What is $0 bash?
what is the use of ls -l command & what is the information it gives about user ?
use of ls command