Examen de certificacion LPIC - 101

What kind of hardware is represented by the device name /dev/hda?

What file should you query to determine whether there is an IRQ conflict on your system?

Which process is referred to as the “mother of all processes” and always has PID 1?

Which logfile should you examine for information about the hardware that the kernel initialized at boot time?

If you want to change your system’s default boot device from the hard drive to the CD-ROM drive, where would you make that configuration change?

What command line would reboot a running Linux system immediately, forcing an fsck of every drive on reboot?

If you have created your own script that you wish to run every time your system boots, but it must run after all other processes have completed, where is the best place to reference it?

Which command is used to display the current mounted partitions, their mount points, and the available free space on each?

Which partition is designed to hold data that changes often and is writable by all users?

What does MBR stand for?

Which of the following lines in /boot/grub/grub.conf would tell GRUB to use the first partition of the first hard drive as the root partition?

What file contains a list of directories that are searched to find shared libraries when a binary program is executed?

For distributions that use the Debian package management system, what command will download and update all installed packages to the latest available version?

If I download a .deb package (package.deb) and wish to install it, what’s the best command to use?

For distributions that use the Red Hat package management system, what command will list all packages currently installed?

For distributions that use the Red Hat package management system, what command will download and update all installed packages to the latest available version?

What command is used to display a list of directories the shell will search in to find a command that has been entered?

Which file(s) does the bash shell read at login to set environment variables?

What commands can be used to view a list of the last commands typed into the shell?

Which of the following commands will redirect the standard output of /bin/ls to /dev/null, while allowing standard error to display on the screen?

What option can be passed to /bin/ls to display every file in a directory that ends in .txt?

What option can be passed to /bin/ls to display every file that starts with the letters a, b, or c?

Which file extensions are common for files or directories that have been concatenated with tar and then compressed with bzip2?

What device should you redirect output to if you do not want to see it or save it?

Which of the following commands would list the contents of the directory /tmp, store that list in the file /root/tmp.txt, and display the list a screen at a time?

What character is used after a command line to indicate that the command should run in the background and return shell control to the user?

What command is used at the beginning of a command line to detach the process from a terminal, allowing it to continue running after the user has logged out?

What command will display a full-screen, updated list of all running processes?

If a running process is not responding to a standard terminate signal from the /bin/kill command, what option can you pass to force the process to terminate immediately?

What command can be used to kill processes by name, rather than process ID?

Which command line would start the program /usr/bin/top with the highest priority possible?

Which command is used to modify the priority of a process already running?

Which command(s) would display every line in /tmp/file.txt that begins with the letter h and ends with the letter t?

In the vi editor, what command sequence given in command mode will save the current file and quit the editor?

In the vi editor, what command sequence given in command mode will make a copy of the current line?

In the vi editor, what command sequence given in command mode will quit a file without saving, even if changes have been made?

What command will create an ext3 partition on the first partition of the first SCSI hard drive?

What command is used to convert an existing ext2 partition (/dev/sda1) to an ext3 (journaled) partition?

What command is used to display the number of free inodes on an ext2 or ext3 partition?

Which file defines what partitions are mounted at boot time?

Which command will mount all partitions of type nfs defined in /etc/fstab?

If you would like to give a normal (nonroot) user the ability to mount a device, what option should you define for that device in /etc/fstab?

Which option to chmod would assign read/write permission to the file owner, read-only permission to the group owner, and read-only permission to everyone else?

Which option to umask would set my default file permissions such that files are created with these permissions: user has read/write, group has read/write, and everyone else has read only?

Which command can be used to quickly tell you if an executable command is in any directory defined in your $PATH environment variable?

Which directory, according to the Filesystem Hierarchy Standard, is designed to hold essential system binaries?

What command is used to maintain the filesystem index that the command /usr/bin/locate searches?

Use find to search for bash:

If you created a new partition in the previous exercises, check it with fsck and observe the output:

Check on the status of filesystems using df: