Can you explain a little bit about command substitution?
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what is the use of uniq commmand?
What command is used to replace the existing string with some other?
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why unix operating system provides more security than other operating systems?
what is the command to find out which shell you are running?
what does a process mean?
distinguish between physical addresses and logical address?
How to convert a hidden file to normal visible file?
How to replace the exact word in vi editor?? suppose a file contains words like amaze,amazed,amazement in some of the line.But i want to replace only 'amaze' with delight but don't wanna replace amazed or amazement. thanks
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How can we use grep command in unix?
What does grep v grep do?
How do you stop a running process?