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→Main Objectives of this Practice Tutorial
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===Main Objectives of this Practice Tutorial===
:* List rules for naming a Bash script file.
:* Explain the purpose of the '''she-bang line''' contained at the top of a shell script.
:* List rules for naming a Bash script file. :* Explain how to set Set '''permissions''' and how to '''execute''' a shell script.
:* Explain the purpose of Use '''environment''' and '''user-defined''' variablesin shell scripts.
:* Explain the purpose of Use '''control flow statementsCommand Substitution'''.and '''Math Operations''' in shell scripts
:* Explain the purpose of the '''$?''' exit status and the '''test''' command.
:* Explain the purpose and usage of the Use '''if''' and '''if-else''' logic statementsin shell scripts.
:* Explain the purpose and usage of the Use a '''for''' loop statementwith a list in shell scripts.
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