A program stopped running when its name was changed why


Problem

1. If x has the value 10, what is the value of (i) x$x$ (ii) $x$x?

2. Mention two ways you can run a script developed for the Korn shell (/usr/bin/ksh) even if your login shell is different.

3. A program stopped running when its name was changed. Why?

4. What is the exit status of a command, and where is it stored?

5. Search for a pattern with grep and sed and look for a file with find. Test the return value of each command when it displays no output. What conclusions do you draw?

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Computer Engineering: A program stopped running when its name was changed why
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