117-101 無料問題集「Lpi Level 1 Exam 101(with rpm)」
CORRECT TEXT You wish to execute two commands, one after the other. However, you only want the second command to execute if the first is successful. Which character(s) do you put between the commands on the command line to accomplish this?
正解:
&&
The file myfile.txt contains the following data: joe:x:100:100:Joe:/home/joe:/bin/bash
mike:x:101:101:Mike:/home/mike:/bin/sh kevin:x:102:102:Kevin:/home/kevin:/bin/sh matt:x:103:103:Matt:/home/matt:/bin/sh
What output will be displayed on the screen when the following command is executed: grep -o home myfile.txt
mike:x:101:101:Mike:/home/mike:/bin/sh kevin:x:102:102:Kevin:/home/kevin:/bin/sh matt:x:103:103:Matt:/home/matt:/bin/sh
What output will be displayed on the screen when the following command is executed: grep -o home myfile.txt
正解:B
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CORRECT TEXT
The priority of any process can range from -20 to ________ . (Provide only the numerical value)
The priority of any process can range from -20 to ________ . (Provide only the numerical value)
正解:
19
+19
+19