LFCS Exam Questions

Which shell built-in command can be used to create a shortcut or pseudonym for a longer command? Assume a modern bournE.like shell, such as bash.

Which command displays information about connected USB devices?

Which of the following commands is run LAST during boot on a system with quotas enabled?

After installing and configuring XFree86, you notice that when you start X, the display is not centered. What program can you run to find a better modeline setting?

According to the File System Hierarchy Standard, the lost+found directory is used for:

Which of the following commands will display the last 30 lines of /var/log/bigd.log as well as new content as it is appended to the file by another process?

The sticky bit is usually set on

Which of the following command line redirection characters instructs the shell to read from the current input source until a specific word, on a separate line and without and trail...

In order to append the output of Is to a file called bazz, which of the following command lines would you use?

To what environment variable will an administrator assign or append a value if the administrator needs to tell the dynamic linker to look in a build directory for some of a program...

Which of the following commands will print the current video settings to stdout in XF86Config "Modeline" format?

You want to preview where the package file, apachE.xml.i386.rpm, will install its files before installing it. What command do you issue?

What single command (no options or arguments) can be used to fully extract a file called abc.tar.bz2? )

Which of the following is the default Xorg configuration file?

On a system using shadowed passwords, the correct permissions for /etc/passwd are ___ and the correct permissions for /etc/shadow are ___.

The correct crontab entry to execute the script chklog once per hour between 3 p.m. and 5 p.m. on Monday and Thursday each week is:

Of the ways listed, which is the best way to temporarily suspend a user's ability to interactively login?

You have a user whose account you want to disable but not remove. What should you do?

Which crontab entry could be used to set the system time at regular intervals?

Identify the statement that would create a default route using a gateway of 192.168.1.1.

X is running okay but you're concerned that you may not have the right color depth set. What single command will show you the running color depth while in X?

You suspect that a gateway machine on your network has failed but you are unsure which machine. Which command will help locate the problem?

Suppose that the command netstat a hangs for a long time without producing output. You might suspect:

Consider the following command and an abbreviated version of its output: $ netstat nr Kernel IP routing table Destination Gateway Genmask Flags Iface 192.168.165.0 0.0.0.0 255.255....

What command can be used on an existing (formatted) partition, to configure the interval between disk checks when mounting partitions?

If the path parameter is not set for a share in the smb.conf file, the share will refer to which of the following directories?

What information does the file modules.dep provide?

What is the minimum number of disks required in a RAID5 array?

Which of the following is the process ID number of the init program?

An administrator has just added a CD-ROM drive (/dev/hdd) to a system and added it to the administrator's fstab. Typically the administrator can use which of the following commands...

Which of the following commands will allow an administrator to adjust the number of mounts after which an existing filesystem will be checked by e2fsck?

Which of the following directories contains additional information about installed packages?

Which of the following Linux filesystems pre-allocates a fixed number of inodes at filesystems make/creation time, and does NOT generate them as needed?

An administrator is having some trouble with a disk partition and needs to do maintenance on this partition. The administrator's users home directories are on it and several are lo...

An administrator wants the default permissions for their files to be -rw-r-----. How must the administrator set umask?

An administrator is writing text in vi. Now the administrator wants to save their changes and exit. Which of the following sequence of inputs will accomplish this? (Select TWO).

While editing a file in vi, an administrator realizes that the wrong file is being changed. Which of the following vi command sequences will allow the administrator to quit without...

In the command foo < bar | foobar, which of the following statements is correct?

All of the following commands will execute the bash script /usr/local/bin/runme.sh EXCEPT:

Bob accidentally created the subdirectory \bobsdir in his home directory. He tried to remove the subdirectory with the command rmdir \bobsfile only to receive the error: "No such f...

Which of the following chown commands will change the ownership to foo and the group to bar on a file named biglist?

To allow a regular user account to mount and unmount a filesystem (for instance, a cdrom or floppy), which of the following options will need to be added to the corresponding line...

An administrator is trying to make a hard link to an ordinary file but ln returns an error. Which of the following could cause this?

For which of the following can the tee command be used?

What is the default action of the split command on an input file?

What is the difference between the i and a commands of the vi editor?

Which of the following commands moves and resumes in the background the last stopped shell job?

What is the effect of the egrep command when the -v option is used?

What does the ? symbol within regular expressions represent?

In the vi editor, how can commands such as moving the cursor or copying lines into the buffer be issued multiple times or applied to multiple rows?