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Chapter 14, Linux Ess. Ch 12, Linux Final, Linux, 211 FINAL, DCOm 142 Linux
Final Study ACTUAL UPDATED QUESTIONS AND CORRECT ANSWERS
Which of the following programs enable root to set the B and D ownership of files? (Select all that apply.) A. chmod B. chown C. usermod D. Nautilus E. touch Which of the following options to chown changes the A ( recursive also correct but needs 2 dashes) ownership of all the subdirectories of any specified directories, rather than just the files or directories that are explicitly passed to it? A. - R B. --tree C. - recursive D. - all E. - t
Mary finds that she can delete George's files in /tmp. D - sticky bit missing What might this imply? A. This is normal; all users should be able to delete files from /tmp. B. The SUID bit is present on /tmp; it should be removed. C. World write permissions are set on /tmp; they should be removed. D. The sticky bit is missing from /tmp; it should be set. E. The /tmp partition is mounted read-only; it should be mounted read/write. What does the permission string - rwxrwx--- mean? C A. The file's owner may read, write, and execute the file, but nobody else may access it. B. The file is a directory. The directory's owner and members of its group may read, write, and search it, but other users have no access to it. C. The file's owner and members of its group may both read, write, and execute the file, but other users have no access to it. D. All users of the computer may read, write, and execute the file. E. The file is a directory. All users of the computer may read, write, and search the directory. True or false: Setting the SUID bit on a program file that's True owned by root causes it to execute with root privileges no matter who runs it. True or false: A file with permissions of crw-rw-r-- is a true character device file. True or false: Using chmod, you can add world execute true permission to a file without modifying any of the file's other permissions. True or false: Including the file type code, symbolic links True always have permissions of lrwxrwxrwx. The command _______ :users somefile.txt changes the group chown affiliation of somefile.txt to users. A file has a symbolic mode of - rw-r-----. The file's octal 640 mode is ____ _.
Which of the following pieces of information on user the account's password accounts is not normally stored in the /etc/passwd file on modern Linux distributions? Which of the following two office suites are most closely LibreOffice is derived from OpenOffice.org related to one another? The programming language that provides a direct one- assembly to-one correspondence between human-understandable words and machine-understandable numbers is ________ language True or false: All Linux Web browsers are GUI programs False True or false: KDE is built atop the Qt widget set. True Which of the following are risks you take when you Most Web sites are unencrypted, so data transferred from the site and your browse the Web as an ordinary user on a properly- computer, or vice-versa, can be intercepted configured Linux system? (Select all that apply.) Some Web sites deliver mini-programs that run on your computer, and if such a site delivers a malicious program, it could do just about anything, including steal your personal data files An attempt to acquire sensitive data directly from victims phishing by posing as a trusted Web site or authority is known as ____. Which of the following programs are Linux file managers? Thunar, Nautilus, Konqueror (Select all that apply.) hich of the following programming languages is most only C++ is commonly implemented as a compiled language often implemented as a compiled language? A _______ is a GUI program in which text-mode programs terminal (including shells) run. Postfix is a server that implements the ______ protocol. SMTP (Provide the protocol's acronym.) You can type Xorg ________, as root, to have X create a - configure default configuration file that you can then modify. The /proc/______ pseudo-file holds data on your CPU, such cpuinfo as its model name and clock speed. Where do most drivers exist on a Linux system? the Linux kernel,
Which of the following is an inappropriate choice for a The Hierarchical File System (HFS) was used by Mac OS prior to Mac OS X. It filesystem to hold the majority of a Linux installation? doesn't support features required by Linux in its main filesystem True or false: Partitioning a disk can enable you to install True multiple OSes on one computer. The _____ library provides drivers to control scanners. SANE (Provide the acronym for the library's name. The _____ filesystem is very old but is supported by almost FAT every OS, making it a good choice for interoperability. True or false: You can use a recordable optical disc to True transfer data from a Linux computer to a Windows computer. True or false: You can configure your power supply by False accessing the /dev/power device file. To refer to the file afile.txt in the directory one level ../ above the current one, you would type ___afile.txt True or false: The Secure Shell program is a command False interpreter that keeps no history of its actions for others to discover, hence its name. To obtain a color-coded file listing, if your distribution --color doesn't produce one by default, you would type ls _. What symbol do you place after a command to run the An ampersand (&), placed after a command typed in Bash, causes the command program in the background? to run in the background, A symbol found in the root shell prompt by default is __. # Which of the following is not a Linux command shell the login program handles text-mode logins, but it isn't a shell program, program? True or false: To run a GUI program in Linux, you must False launch it from a desktop environment's menus. To display the last few lines of a text file, you would type tail ___ afile.txt. True or false: With most distributions, the contents of True optical discs, USB flash drives, and other removable media appear in subdirectories of /media
To append a program's standard error to an existing file 2>> without deleting its contents, you should use the ____ redirection operator. Which options to find can you use to locate files owned The - uid option to find locates files owned by a user with the specified user ID by a particular user? (Select all that apply.) (UID) number, and the - user option locates files based on the user's username True or false: Linux supports two types of text-mode True output to the screen, which you can send to separate files or display devices. The _________ option to tar causes it to back up only the --one-file-system specified low-level filesystem; if another filesystem is mounted within the directory you say to back up, those files will be ignored. You use the ___ character to separate two strings, either of | (pipe) which should match, in an extended regular expression. True or false: A carat (^) represents the start of a line in True regular expressions. Which of the following programs produces a summary of The free command produces the information specified the memory status of your computer, including the total memory available, the amount used, and the amount that's unused? Which of the following tools can you use to identify The ps and top programs are text-mode commands to identify running programs running processes? True or false: Pressing the M key in top causes the display True to change to sort processes by memory use. The first process to be run by the Linux kernel is normally init called___ _. True or false: The ps program enables you to view the True process table. True or false: Both RPM and Debian packages can True specify that they require other packages. The package system will then refuse to install the package unless these dependencies are met or you provide an override option. An Internet site that hosts software that you can install repository with yum, APT, or a similar tool is known as a ___ _. Where does the kernel store its ring buffer logs? The kernel ring buffer is held in memory
True or false: The /var/log/messages file always holds False general-purpose log entries. A condition in which a program allocates more and more memory leak memory but doesn't use the memory it allocates is called a ________ (two words). What keystroke creates a new blank line immediately Typing "o" in command mode causes a new line to be created below the current one, when typed in Vi's command mode? A text encoding method that can use single- or multiple- Unicode byte encodings to store text using most human alphabets is known as ____ _. Which character begins a comment in many common The hash mark (#) identifies comments in many (but not all) configuration files configuration files, such as /etc/fstab? In pico or nano, you can paste text that you've cut or U copied earlier by pressing Ctrl+____. You're working in Vi and, after having saved your current :e file, you want to load a new one. You can do so by typing ____ newfile.txt from command mode. What keystroke deletes a line of text when using nano? The keystroke for deleting a line of text in nano is Ctrl+K, True or false: To save a text file in Vi, you should press False Ctrl+S. Spaces and tabs are examples of ________, which separate whitespace elements in many configuration files. True or false: HTML is an example of a formatted text file True format. Which of the following text editors runs as a text-mode The emacs editor program when launched in text mode but also provides a GUI version for use in a GUI environment? You're writing a script that should accept two arguments, $2 being the second argument a username and a year, specified in that order on the command line. What variable would you use to access the year? What command can you use to retrieve user input into a read variable in a Bash script? A _____ loop executes for as long as its condition is true. while
