题目
单项选择题
A UNIX shell script program file is
选项
A.a text file.
B.All of these.
C.a file containing Unix commands
D.a program which can run on shell.
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标准答案
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思路分析
Consider the question: what is a UNIX shell script program file?
Option A: 'a text file.' A shell script is indeed stored as a plain text file containing commands, so this part is true in a sense. However, just being a text file doesn’t capture all essential characteristics of a shell script, such as its executable nature and the fact that it contains a sequence of shell commands.
Option B: 'All of these.' This option asserts that a shell script can be described by multiple ......Login to view full explanation登录即可查看完整答案
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