A user issues the apt-get upgrade command to update system files in a Ubuntu Linux system and receives an error message of "permission denied." What should the user do to complete the task?
- Issue the allow apt-get upgrade command.
- Issue the sudo apt-get install command.
- Issue the apt-get install --allow command.
- Issue the sudo apt-get upgrade command.
Explanation: There are several Linux commands in the Advanced Package Tool (APT) system to perform software package management tasks. The apt-get upgrade command is used to update all packages and dependencies on the system. This command must be run with administrative level permissions, which are provided by the sudo command.
Exam with this question: 1.2.3 Quiz - Linux Review
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