The CentOS 7 Head Command Prints How Many Lines from a File

question 10

Multiple Choice

The CentOS 7 head command prints how many lines from a file to standard output?

• A)5
• B)10
• C)15
• D)20

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Definitions:

Mere Exposure Effect

The tendency among humans to prefer things that are familiar to them is a notable psychological behavior.

Reciprocity Norm

A social norm that dictates that we should treat others as they treat us, fostering mutual aid and cooperation.

Ethnic Groups

Communities or populations sharing common cultural traits, ancestry, language, history, and often a shared sense of identity.

Nationalities

are the distinct ethnic, cultural, or national identities that people belong to, often associated with being a citizen of a particular nation.