How does shebang work?
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to list a particular line in the file
describe the escaping sequence characteres in unix
Write a grep (or grep) command that selects the lines from a file that have exactly three characters.
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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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