Question: Explain the differences (in terms of shell programming) between the Bash, chs/tcsh, and ksh/zsh shells. Describe the difference between configuration variables and environment variables including

  1. Explain the differences (in terms of shell programming) between the Bash, chs/tcsh, and ksh/zsh shells.
  2. Describe the difference between configuration variables and environment variables including the guidelines for handling shell variables.
  3. Discuss the most common shell arithmetic and relational operators including how to store the result of a mathematical operation in a variable.

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