Which of the following is the purpose of the vmlinuxfile on a Linux system?

• A.To prevent a Linux kernel panic
• B.To start a Linux virtual machine
• C.To provide the executable kernel for the system
• D.To enable resource access to the network

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A user tries to log in to the Linux console and receives the following message:
Your account has expired; Please contact your system administrator.
Which of the following commands was MOST likely run to create this behavior?

• A.userdel
• B.chage
• C.usermod
• D.passwd

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An administrator needs to create a shared directory in which all users are able, write, and execute its content but none of the regular users are able to delete any content.
Which of the following permissions should be applied to this shared directory?

• A.rwxrwxrw*
• B.rwxrwxrws
• C.rwxrwxrwx
• D.rwxrwxrwt

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A junior Linux administrator needs to ensure a service will start on system boot. Which of the following commands should be used to accomplish this task?

• A.service <service> enable
• B.crontab install <service>
• C.systemctl <service> bootup
• D.chkconfig <service> on

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A systems administrator suspects a process with a PID of 2864 is consuming resources at an alarming rate.
The administrator uses the command renice -n -5 -p2864, but it does not solve the issue. Which of the following commands should the administrator execute to correct the issue?

• A.nice -n 5 -p 2864
• B.nice -n -5 -p 2864
• C.renice -n 10 -p 2864
• D.renice -n -10 -p 2864

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