-n is the parameter of the grep command that displays the line number of the line which contains the searched text.
<h3 /><h3>What is Grep command?</h3>
- One of the most potent and often used tools in Linux is the grep command, which stands for "global regular expression print".
- Each line that matches a pattern is sent to standard output by grep after it searches one or more input files for such lines. Grep reads from the standard input, which is often the result of another program, if no files are given.
- Grep is instructed to display the line number of any lines that include a string that matches a pattern when the -n (or —line-number) option is used. When this option is selected, grep publishes the results of the matches to standard output along with the line number.
- -n is the parameter of the grep command that displays the line number of the line which contains the searched text.
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Answer:
hindsight bias
Explanation:
Hindsight bias is the bias that makes us believe that our past events are more predictable than they really were before the events took place. In other words after the occurrence of an event a person would have predicted what the outcome of that event would be before the event occurred.
For example, you ask a friend to predict which face of the coin will land when you flip it. Your friend predicts heads. You flip the coin and it appears as tails. Then your friend says that he knew it that it heads would appear.
Here, everyone in both the classes has some belief of how alcohol affects sexual desire and when the professor gives them any information regarding the relation, the student's hindsight bias makes them believe whatever the professor says.
