A superuser wants to transform the following permission set from -rw-r--r-- 1 root root 4096 Apr 20 17:40 filename to -rwx-w---- 1 root root 4096 Apr 20 17:40 filename Which of the following commands will accomplish this?
The system administrator wants to create a list of all of the RPM packages installed on a server in alphabetical order. Which of the following is a quick and easy way to do this?
A workstation user is unable to mount a CD-ROM drive. Which of the following commands can be used to confirm the operating system recognizes the drive?