LPI 010-160 Linux, 010-160: LPI Linux Essentials, LPI Linux Essentials (01)

Single character that will allow you to exit the less program in the terminal - answer-q what happens to a users files when a user account is deleted using sudo userdel? - answer-The files remain attached to the UID of the user account that was deleted what is the purpose of the su command in Linux - answer-to switch to a different user profile which of the following best describes what the dmesg command gives you - answer-shows you the message buffer of the kernel provide the argument to ls that will recursively list a directory's contents - answer--R or -recursive Which most frequently is used to connect a harddrive to a motherboard - answer-SATA Used to change permissions in linux - answer-Chmod Which of the following switched would allow you to extract a file - answer--xvzf which of the following is the proper command to archive /Documents/Sales/Docs into a tar ball with name of archivedocs? - answer-Tar -czvf /documents/Sales/Docs Which of the following best describes the purpose of the /etc/skel directory? - answer-Allows for a default home directory when users profile is first created Allows new user profiles to be easily set up with the same defaults what are the default permissions for the /etc/skel - answer-drwxr-xr-x Which of the following distros would still be receiving security updates - answer-Ubuntu LTS(Long Term Service) which two special characters would you use to start a BASH script - answer-#! Which of the following commands would allow you to run the script with its output going into a file with the name of - answer-./ which of the following would be the output of the "free" command - answer-total used free shared buff/cache available(says free) Type the command to bring up the manual for a command - answer-Man What would be a possible output of the following command echo*.?? - answer-C echo(display line of text) *(any # of characters) .(Single Character) ?(Single Alphanumeric) What is the purpose of the PATH variable - answer-It is used to create a generic script that can be run across multiple machines regardless of the different file paths Which distros are webservers on linux - answer-NgineX Apache which of the following would be the output of the last command - answer-wtmp begins Mon Jul 15 10:04 Which of the following does Red Hat use for its package management - answer-RPM Which of the following is used for vector graphics - answer-inkscape Which of the following would allow you to remove the directory assuming it was empty - answer-rmdir Docs19 which of the following would be a proper partition name on a drive - answer-/dev/sdc4 (has to be a single letter drive listed after sd) which are characteristics of free software - answer-source code must remain freely available to users software allows users to access and change the source code to fit their needs What is a linux distro - answer-Different versions of the linux kernel modified to fit more specific functions What is the single word that indicates the beginning of a loop statement in a bash script - answer-while What is the default UID value of the root user - answer-0 type the single character that would allow you to split lines in a bash shell script - answer- how would you add to the PATH variable - answer-edit the/etc/environment file with a text editor Which of the following are decedents of RedHat - answer-CentOS OpenSUSE which of the following best describes the difference between SSD and HDD - answer-SSD is more likely to survive a fall than HDD SSD usually has a longer lifespan Which of the following allow you to turn on the help feature - answer--h --help Shows you the path of your current directory - answer-pwd which of the following could explain why browser cookies could be considered bad - answer-they contain info to identify the user to the website which would allow you to bring up help page for the ls command - answer-ls --help Which of the following are the usual services a cloud service provider might offer - answer-SaaS IaaS PaaS what should you do in order to run the script with the proper permissions - answer-use the "chmod a+xfilename" command and then attempt to rerun the script in an IaaS situation, where would you get the OS for your system - answer-you must provide the OS yourself which would allow you to copy all files and sub directories into the the /Documents/Finance directory - answer-cp -R /Documents/Sales /Documents/Finance (what? How? From? To?) What information can be displayed by top? - answer-Running processes, ordered by CPU or RAM consumption. Which of the following commands can be used to resolve a DNS name to an IP address? - answer-host Which of the following permissions are set on the /tmp/ directory? - answer-rwxrwxrwt Which of the following outputs could stem from the command last? - answer-root tty2 Wed May 17 21:11 - 21:11 (00:00) Which command adds the new user tux and creates the user's home directory with default configuration files? - answer-useradd -m tux Which of the following commands creates an archive file from the contents of the directory ./work/? - answer-tar -cf ./work/ The current directory contains the following file: -rwxr-xr-x 1 root root 859688 Feb 7 08:15 Given that the file is a valid shell script, how can this script be executed? - answer-./ bash Which of the following commands sorts the output of the command export-logs? - answer-export-logs | sort Where is the operating system of a Raspberry Pi stored? - answer-On a removable SD card which is put into the Raspberry Pi What is true about a recursive directory listing? - answer-It includes the content of sub-directories. whereis - answer-used to search for programs in restricted locations, such as binary file directories, libraries, and man directories. locate - answer-Searches the system managed database of filenames for files containing the specified string in the filenames. (Search is much faster than the search performed using the 'find' command) updatedb - answer-Updates the system managed database of filenames Displays current working directory - answer-pwd Change into the current user's home directory - answer-cd ~ cd $HOME Both of these do what Change to the parent directory of the current directory - answer-cd .. Change to the etc directory in the root (/) directory - answer-cd /etc Creates a hard link named '' for the file '' - answer-ln Creates a symbolic link named of - answer-ln -s touch - answer-Can be used to update the timestamp of a file or if that file doesn't exist it will create a blank file with the specified name. Will update the timestamp of the specified file if it exists. If it does not exist it will not create a blank file. - answer-touch -c Adds the content "Hey there!" to the specified file. - answer-echo "Hey there!" cat - answer-Displays the contents of a file Opens the vi editor for the file "sample". This will allow you to write text into a file. - answer-vi sample Will display the "sample" file's byte count - answer-wc -c sample