The correct answer is B
Every command returns an exit status (sometimes referred to as a return status or exit code). A successful command returns a 0, while an unsuccessful one returns a non-zero value that usually can be interpreted as an error code. Well-behaved UNIX commands, programs, and utilities return a 0 exit code upon successful completion, though there are some exceptions.
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burro
Highly Voted 2 years agoahenriquez02
Most Recent 8 months, 3 weeks agobeazzlebub
2 years, 1 month ago