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Free CompTIA Linux+ XK0-005 Practice Question

A system administrator has been tasked with writing a shell script that reads a list of usernames from a text file named 'users.txt' and then checks whether each user exists on the system. The admin decides to use a loop along with a built-in command to verify this. Which command should be used within the loop to check the presence of a user account in the system environment?

  • hostname

  • pwd

  • whoami

  • id

  • date

This question is for objective:
Scripting, Containers, and Automation
Your Score:
Scripting, Containers, and Automation
Security
Troubleshooting
System Management
SAVE $45