Which command can be used to view the /var/log/wtmp file entries?
Subject: Information Technology Essentials Quiz ( MCQ and Answer )
The /etc/shadow file contains encrypted passwords. (True or False?)
The first line of this command displays how long the system has been running since being rebooted.
Sudo privileges allow users to execute commands as another user. (True or False)?
The last command displays reboot records…
The “Epoch” began on January 1, 1970.(True or False?)
A value of 0 in the “minimum” password aging field means the user cannot change their password. (True or False)?
Which command will display the groups that the root user belongs to?
To display the group(s) a user belongs to use this command:
Usernames cannot be the same as group names.(True or False?)
What would an account with the UID 376 typically be used for?
Traditional UNIX systems allowed users to belong to how many groups?
Which command is used to display only the user’s primary group?
File permissions cannot be edited by the root user. (True or False?)
Which command would allow a user to execute commands as root?
What is the default user for the su command?
All Linux systems allow administrators to log in as root. (True or False?)
Which command can be used to view the /etc/passwd file entries?
Which of the following commands will display how long the system has been running since the last boot?(choose two)
The /etc/shadow file contains plain-text passwords. (True or False?)
In distributions that do not allow the root user to login directly or via the su command, the installation process automatically configures one user account to be able to use the sudo command to execute commands as if they were executed by the root user. (True or False?)