Answer :
Final answer:
The grep command name comes from the command sequence ':g/re/p' used in text editors such as vi and emacs for global regular expression print.
Explanation:
The grep command in Unix and Linux originates from the global regular expression print feature of the text editors such as vi and emacs. In these text editors, a common command for searching within files is ':g/re/p', where 'g' stands for global, 're' is regular expression, and 'p' for print. Therefore, calling this process 'grep' was logically consistent and practical.
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