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In Shell’s interpretive cycle, the shell first scans for ____ in the entered command.(a) characters(b) priority(c) meta-characters(d) wildcardsI got this question in an international level competition.This interesting question is from Shell Basics in section The Shell of Unix

Answer»

Right choice is (c) meta-characters

The BEST explanation: In Shell’s interpretive CYCLE, the shell first issues a prompt and waits for the user to enter the command. After the command is entered, the shell SCANS the command line for meta-characters and expands the ABBREVIATIONS (like the * in rm*) to recreate a simplified command line.



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