TestOut Linux Pro Practice Test 2025 – Complete Exam Prep Guide

Question: 1 / 400

How do you display environmental variables in Linux?

env or printenv

Displaying environmental variables in Linux can be accomplished using the commands "env" or "printenv." The "env" command shows the current user environment, displaying all environment variables along with their values. Similarly, "printenv" serves the specific purpose of printing environment variables, and if executed without any arguments, it lists all the currently defined environment variables.

Both commands provide users the flexibility to inspect the environment directly from the command line, making them fundamental tools when managing system configurations and shell environments.

Other options like "setenv" are applicable in specific shells, such as C shell, and are used to set environment variables rather than display them. "showenv" is not a standard command in Linux for displaying environment variables, which is why it isn't applicable here.

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setenv

printenv only

showenv

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