OPERATING SYSTEMS FOR COMPUTERS
COMMAND LINE INTERFACE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When extracting a great deal of information from a command, which of the following would present only the first five entries from the list of results?
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ls-head-nl
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ls |head-n 5
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ls /head-n 5
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ls |head-n-5
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Explanation:
Detailed explanation-1: -In computing, CLS (for clear screen) is a command used by the command-line interpreters COMMAND.COM and cmd.exe on DOS, Digital Research FlexOS, IBM OS/2, Microsoft Windows and ReactOS operating systems to clear the screen or console window of commands and any output generated by them.
Detailed explanation-2: -SYSTEMINFO Using the SYSTEMINFO command, we can access the system’s hardware and software details, such as processor data, booting data, Windows version, etc.
Detailed explanation-3: -Use the head command to write to standard output the first few lines of each of the specified files or of the standard input. If no flag is specified with the head command, the first 10 lines are displayed by default.
There is 1 question to complete.