Which command can be used to view the /var/log/wtmp file entries?
Correct answer(s):
- last
Topic
Introduction to Computer Studies
Practice related MCQ quizzes and improve step by step.
Quizzes in Introduction to Computer Studies
The /etc/shadow file contains encrypted passwords. (True or False?)
Correct answer(s):
- True
The first line of this command displays how long the system has been running since being rebooted.
Correct answer(s):
- w
Sudo privileges allow users to execute commands as another user. (True or False)?
Correct answer(s):
- True
The last command displays reboot records…
Correct answer(s):
- By default
The “Epoch” began on January 1, 1970.(True or False?)
Correct answer(s):
- True
A value of 0 in the “minimum” password aging field means the user cannot change their password. (True or False)?
Correct answer(s):
- False
Which command will display the groups that the root user belongs to?
Correct answer(s):
- id root
To display the group(s) a user belongs to use this command:
Correct answer(s):
- id
Usernames cannot be the same as group names.(True or False?)
Correct answer(s):
- False
What would an account with the UID 376 typically be used for?
Correct answer(s):
- System service access.
Traditional UNIX systems allowed users to belong to how many groups?
Correct answer(s):
- 16
Which command is used to display only the user’s primary group?
Correct answer(s):
- id -g
File permissions cannot be edited by the root user. (True or False?)
Correct answer(s):
- False
Which command would allow a user to execute commands as root?
Correct answer(s):
- sudo
What is the default user for the su command?
Correct answer(s):
- The root user
All Linux systems allow administrators to log in as root. (True or False?)
Correct answer(s):
- False
Which command can be used to view the /etc/passwd file entries?
Correct answer(s):
- getent
Which of the following commands will display how long the system has been running since the last boot?(choose two)
Correct answer(s):
- uptime
- w
The /etc/shadow file contains plain-text passwords. (True or False?)
Correct answer(s):
- False