101-400 Exam Questions

To allow a regular user account to mount and unmount a filesystem (for instance, a cdrom or floppy), which option will need to be added to the corresponding line in /etc/fstab?

You have run out of disk space on a partition. Which of the following would be an easy way to move data to a new partition without reconfiguring the path to the data in existing ap...

What is the process ID number of the init program?

Which of the following commands will print the amount of disk space used by files specified on the command line?

Which chown command will change the ownership to dave and the group to staff on a file named data.txt?

Which of the following commands enables the setuid (suid) permission on the executable called /bin/foo?

Which of the following explanations are valid reasons to run a command in the background of your shell?

Which of the following commands would display the lines containing capital letters form the file "turkey.txt"?

Identify the proper device for the third partition, on the second hard disk, on the first IDE controller on a PC system.

What umask will set the file permissions on a newly created file to -rw-r--r-- (644)?

How many SCSI ids for peripherals can SCSI-1 support?

You need to install a fax server. Which type of fax/modem should you install to insure Linux compatibility?

You are running Linux 2.0.36 and you need to add a USB mouse to your system. Which of the following statements is true?

You have just upgraded your PC to a 60 gigabyte IDE drive. While partitioning the drive, you notice that only 32 gigabytes are available. Which of the following will most likely al...

The lspci command can display information about devices except the following:

If Linux detects an ACPI BIOS on bootup, what does it automatically deactivate?

What command would help you identify the I/O address range being used by the network card?

What program is needed to establish a PPP link to another computer?

You need to know where all the configuration files for the installed package named "postfix" are located. Assuming it was installed with rpm, which command will list this informati...

What tool can you use to print shared library dependencies?

While installing from source code you don't see the configuration script. What command can you run to compile the code?

You have an updated RPM called screensaver-1.1.i386. rpm. You have version 1.0 installed. Using RPM, how do you view the changelog of this file to see if you should install the upd...

You are about to install a new program on an RPM based Linux system. Which of the following would be the best way to accomplish this?

You are installing Linux on a workstation for a new employee. Which partition should be largest?

How can you update a package only if an earlier version is currently installed on the system?

You are preparing a new set of shared libraries in /usr/local/applib and you have written and compiled some code that uses these libraries. You have already performed and ldconfig,...

Where can lilo place boot code?

Where does lilo store its boot information?

To what environment variable will you assign or append a value if you need to tell the dynamic linker to look in a build directory for some of a program's shared libraries?

Which command will allow you to find a specific installed package?

Which of the following is very important when installing from source code (Check TWO that apply)?

You are building a server that will undergo many hardware and operating system upgrades. The server is the file server for all users on your 100 user network. Which directory shoul...

What file is read by the program ldconfig?

After a minor security incident you are instructed by your lead sys-admin to verify the RPM's installed on a running system. Which command will create a complete report which you c...

You see following output while trying to install an updated package: [root@example pub]# rpm -I gthumb-2.2.0.i386.rpm package gthumb- 1.0.1.i386.rpm is already installed. Which com...

Which of the following would do the same as the command cat < file1.txt > file2.txt?

In the vi editor, which of the following commands will delete the current line at the cursor and the 16 lines following it (17 lines total)?

As root you have navigated to directory /B. You wish to move all of the files and directories from directory /A to directory /B. Which of the following options would be the most ap...

What key sequence will suspend the current process and return you to a shell prompt?

Which TWO commands will find the path for the binary vim?

What command changes the priority of the process running with process id of 12345 to the highest priority?

You want to save vi changes to the file myfile with :w!, but vi complains it can not write to the file. Therefore, you want to check the write permissions on the file. To do this w...

Which of the following GNU commands would be the most likely command you'd use to find the system load average?

Which of the following commands is equivalent to kill 1234?

What command would execute cmd1 followed by cmd2, regardless of the exit status of cmd1?

Which command will print to standard out only the lines that do not begin with # (pound symbol) in the file foobar?

What command will remove duplicate lines from a sorted file?

Which command line option would you use to restrict the GNU find command to searching a particular number of subdirectories?

What is the disadvantage of using the command kill -9 ?

To prevent a command run as root from sending both standard out (stdout) and standard error (stderr) to any terminal or other file or device, which of the following strings should...