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Linux is, in simplest terms, an operating system. It is the software on a computer that enables applications and the computer operator to access the devices on the computer to perform desired functions. The operating system (OS) relays instructions from an application to, for instance, the computer's processor. Linux (often pronounced LIH-nuhks with a short "i") is a Unix-like operating system that was designed to provide personal computer users a free or very low-cost operating system comparable to traditional and usually more expensive Unix systems.

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The easiest, most basic form of backing up a file is to _____ it to another location.		View Answer
When you look at the /etc/group file you see the group kmem listed. Since it does not own any files and no one is using it as a default group, can you delete this group?		View Answer
After experimenting with vi as your command line editor, you decide that you want to have vi your default editor every time you log in. What would be the appropriate way to do this? Choose one a. Change the /etc/inputrc file b. Change the /etc/profile file c. Change the ~/.inputrc file d. Change the ~/.profile file		View Answer
What would be displayed as the result of issuing the command ps ef? Choose one a. A listing of the user's running processes formatted as a tree. b. A listing of the stopped processes c. A listing of all the running processes formatted as a tree. d. A listing of all system processes formatted as a tree.		View Answer
Which file do you need to change to alter how the updatedb database is created? Choose one: a. /etc/which.conf b. /etc/conf.updatedb c. /etc/updatedb.conf d. /etc/conf.which		View Answer
What would be the result of the command paste -s dog cat? Choose one: a. The corresponding lines from the files dog and cat would be pasted together separated by a tab. b. The corresponding lines from the files dog and cat would be pasted together separated by a space. c. The file cat would be pasted after the file dog. d. The file dog would be pasted after the file cat.		View Answer
As a system administrator, you are instructed to backup all the users' home directories. Which of the following commands would accomplish this? Choose one a. tar rf usersbkup home/* b. tar cf usersbkup home/* c. tar cbf usersbkup home/* d. tar rvf usersbkup home/*		View Answer
You have a new, empty hard drive that you will use for Linux. What is the first step you use. Choose one: a. Create an extended partition to be used for data. b. Format the hard drive to use the ext2 filesystem. c. Create a swap partition of type 82. d. Create a primary partition using fdisk.		View Answer
You want to create a compressed backup of the users' home directories so you issue the command gzip /home/* backup.gz but it fails. The reason that it failed is that gzip will only compress one _______ at a time.		View Answer
Which of the following tasks cannot be accomplished with the touch command? Choose one: a. Create a new file b. Change a file's modification time c. Change a file's access time d. Change a file's creation time		View Answer
You can start Linux in many different ways. Which of the following is not one of these? Choose one: a. Type linux from a DOS prompt under Windows 95. b. Using a boot loader such as LILO c. From a floppy disk d. Type linux single at the boot: prompt.		View Answer
How can you determine who has scheduled at jobs? Choose one: a. at -l b. at -q c. at -d d. atwho		View Answer
You need to locate a file called salesdata that one of your user's created in his home directory but you do not know which one. How could you use the find command to locate this file?		View Answer
You have entered the following cronjob. When will it run? 15 * * * 1,3,5 myscript Choose one: a. at 15 minutes after every hour on the 1st, 3rd and 5th of each month. b. at 1:15 am, 3:15 am, and 5:15 am every day c. at 3:00 pm on the 1st, 3rd, and 5th of each month d. at 15 minutes after every hour every Monday, Wednesday, and Friday		View Answer
How does single user mode differ from other runlevels? Choose one: a. init does not read the /etc/inittab file b. Users can only log into the system across the network. c. Network services are disabled. d. All processes are stopped and the root filesystem is mounted as read-only when in single user mode.		View Answer
You telnet into several of your servers simultaneously. During the day, you sometimes get confused as to which telnet session is connected to which server. Which of the following commands in your .profile file would make it obvious to which server you are attached? Choose one a. PS1='h: w>' b. PS1='s: W>' c. PS1='!: >' d. PS1='a: >'		View Answer
You also need to know the amount of free space on the partition containing the users' home directories. Which of the following commands will provide this information? Choose one: a. df /home b. df -i /home c. df --sync d. df -T		View Answer
You need to see the last fifteen lines of the files dog, cat and horse. What command should you use?		View Answer
Where Is the Latest Kernel Version on the Internet?		View Answer
You have new documentation that you wish to install so that it will be available to your users. Which directory would be the most appropriate to use for these files? Choose one: a. /tmp b. /usr c. /lib d. /mnt		View Answer