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Linux shell script to compute student grades

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Create a shell script to run on Knoppix/Linux, that will compute and display the letter grades for the students based on the average of 4 test scores.

Letter grade is computed from average score using following scale:

90 to 100 : grade "A"
80 to 89 : grade "B"
70 to 79 : grade "C"
65 to 69 : grade "D"
0 to 64 : grade "F"

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Solution Summary

The solution is provided as a Bash script, that allows the flexibility to compute grades for different number of students during each invocation without needing to modify the script file.

Solution Preview

Attached (bash) shell script (145279.sh) first prints a welcome message ...

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