Shell并没有提供大量的算术操作符，但是已经足以完成大多数编程任务，包括移位、求余和比较。
The shell doesn't have a large collection of arithmetic operators, but it's sufficient for most programming tasks, including bitwise shifts, remainders, and comparisons.
Shell并没有提供大量的算术操作符，但是已经足以完成大多数编程任务，包括移位、求余和比较。
The shell doesn't have a large collection of arithmetic operators, but it's sufficient for most programming tasks, including bitwise shifts, remainders, and comparisons.
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