You want to change the number of characters displaying on the screen while reading a txt file. However, you do not want to change the format of the txt file. Which of the following commands can be…

Question

Exhibit

Options

• Acat
• Btail
• Cless
• Dmore

• A
  6% (3)
• B
  9% (5)
• C
  13% (7)
• D
  72% (38)

Explanation

The more command is used to view (but not modify) the contents of a text file on the terminal screen at a time. The syntax of the more command is as follows: more [options] file_name Answer: A is incorrect. The concatenate (cat) command is used to display or print the contents of a file. Syntax: cat filename For example, the following command will display the contents of the /var/log/dmesg file: cat /var/log/dmesg Note: The more command is used in conjunction with the cat command to prevent scrolling of the screen while displaying the contents of a file. Answer: C is incorrect. The less command is used to view (but not change) the contents of a text file, one screen at a time. It is similar to the more command. However, it has the extended capability of allowing both forwarB, Dackward navigation through the file. Unlike most Unix text editors/viewers, less does not need to read the entire file before starting; therefore, it has faster load times with large files. The command syntax of the less command is as follows: less [options] file_name Where, Answer: B is incorrect. The tail command is used to display the last few lines of a text file or piped

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