Introduction To Solaris - Lesson 1

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  • 1/13 Questions

    Which of the following are UNIX derivatives used in Equifax?

    • HP/UX
    • Linux
    • Solaris
    • AIX
    • OS/2
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About This Quiz

This quiz, titled 'Introduction to Solaris - Lesson 1', assesses foundational knowledge of UNIX and its derivatives, including Solaris. It covers UNIX principles, command usage, system calls, and file permissions, aiming to enhance portability and efficiency in UNIX systems.

Introduction To Solaris - Lesson 1 - Quiz

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  • 2. 

    Which of the following are key guiding principles of UNIX development?

    • Create robust utilities that can do lots of different tasks

    • Make use of tools that are available or create new ones if there is a need

    • Create small simple programs that do just one thing but do it well

    • Expect the output of one program to be the input to another, yet to be known, program

    Correct Answer(s)
    A. Make use of tools that are available or create new ones if there is a need
    A. Create small simple programs that do just one thing but do it well
    A. Expect the output of one program to be the input to another, yet to be known, program
    Explanation
    The guiding principles of UNIX development include making use of available tools or creating new ones when necessary, creating small simple programs that excel at one specific task, and expecting the output of one program to serve as the input for another program that is not yet known. These principles emphasize the flexibility, simplicity, and interoperability of UNIX systems.

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  • 3. 

    What command allows you to change the permissions of the file?

    • Chown

    • Chmod

    • Chsh

    • Chfn

    Correct Answer
    A. Chmod
    Explanation
    The "chmod" command allows you to change the permissions of a file. This command is used in Unix-like operating systems to modify the access permissions for files and directories. By using the chmod command, you can specify who can read, write, or execute a file.

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  • 4. 

    When the shell evaluates a command, programs found in your PATH variable take priority over aliases defined in your bashrc.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    When the shell evaluates a command, programs found in your PATH variable do not take priority over aliases defined in your bashrc. Aliases defined in your bashrc take precedence over programs found in your PATH variable.

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  • 5. 

    What benefit does a standardized system calls interface provide?

    • Programs run faster

    • Programs use less memory

    • Programs are more portable between UNIX systems

    • Systems are more secure

    Correct Answer
    A. Programs are more portable between UNIX systems
    Explanation
    A standardized system calls interface provides the benefit of making programs more portable between UNIX systems. This means that the programs can be easily transferred and run on different UNIX systems without requiring significant modifications or adaptations. This increases the flexibility and compatibility of the programs, allowing them to be used across various UNIX platforms without any major issues or complications.

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  • 6. 

    What are some popular derivatives of UNIX?

    • OS/2

    • Solaris

    • Linux

    • Android

    • Windows

    Correct Answer(s)
    A. Solaris
    A. Linux
    A. Android
    Explanation
    The popular derivatives of UNIX are Solaris, Linux, and Android. These operating systems are all based on the UNIX architecture and have gained popularity for their stability, security, and flexibility. Solaris is a UNIX-based operating system developed by Sun Microsystems, known for its scalability and reliability. Linux is a free and open-source operating system that has gained widespread adoption due to its versatility and community-driven development. Android, developed by Google, is a mobile operating system based on the Linux kernel, widely used in smartphones and tablets. Windows and OS/2 are not derivatives of UNIX, making them incorrect options.

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  • 7. 

    What are some of the standard directories in every UNIX system?

    • /

    • /usr

    • /dev

    • /bin

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    In every UNIX system, there are several standard directories that serve different purposes. The root directory ("/") is the top-level directory that contains all other directories and files. The "/usr" directory is used for storing user-related data, including user programs, libraries, and documentation. The "/dev" directory contains device files that represent hardware devices connected to the system. The "/bin" directory holds essential binary executables that are required for basic system functioning. Therefore, all of the given options ("/", "/usr", "/dev", and "/bin") are standard directories in every UNIX system.

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  • 8. 

    Only data files and programs are stored on a UNIX filesystem.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement "Only data files and programs are stored on a UNIX filesystem" is false. In addition to data files and programs, a UNIX filesystem can also store directories, symbolic links, device files, and special files. Directories are used to organize and structure the files and directories within the filesystem. Symbolic links are files that act as pointers to other files or directories. Device files represent hardware devices such as printers or disk drives. Special files are used for system operations and communication. Therefore, a UNIX filesystem can store a variety of file types, not just data files and programs.

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  • 9. 

    The three kinds of file access of a UNIX file permission represent:

    • Read, write, play

    • Read, write, execute

    • Read, delete, copy

    • Copy, move, delete

    Correct Answer
    A. Read, write, execute
    Explanation
    The three kinds of file access in UNIX file permissions are read, write, and execute. "Read" allows the user to view the contents of the file, "write" allows the user to modify the contents of the file, and "execute" allows the user to run the file as a program or script. These permissions are essential for controlling access to files and ensuring the security and integrity of the system.

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  • 10. 

    What are the two ways of setting file permissions in UNIX?

    • Relative and sibling

    • Hexadecimal and binary

    • Relative and absolute

    • Absolute and OJ

    Correct Answer
    A. Relative and absolute
    Explanation
    The two ways of setting file permissions in UNIX are relative and absolute. Relative permissions are set using symbols like +, -, or = to add, remove, or set permissions respectively. Absolute permissions are set using numerical values like 0-7, where each digit represents the permission for owner, group, and others respectively.

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  • 11. 

    Which files configure the bash shell environment when a user logs in?

    • Bashrc and bash_profile

    • Bash.conf and bash.profile

    • Bash.ini and bash_profile.ini

    • .bash_profile and .bashrc

    Correct Answer
    A. .bash_profile and .bashrc
    Explanation
    The correct answer is .bash_profile and .bashrc. These two files are responsible for configuring the bash shell environment when a user logs in. The .bash_profile file is executed for login shells and sets up the user's personal environment variables and startup programs. The .bashrc file is executed for interactive non-login shells and contains settings and aliases specific to the user's preferences. By configuring these files, users can customize their bash shell environment according to their needs and preferences.

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  • 12. 

    What are some useful environment variables?

    • PATH

    • TERM

    • PWD

    • HOME

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    All of the listed environment variables (PATH, TERM, PWD, HOME) are useful in different ways.

    - PATH is an environment variable that specifies the directories where executable programs are located. It allows the operating system to find and execute programs without needing to specify their full path.
    - TERM is an environment variable that specifies the type of terminal or terminal emulator being used. It helps in determining how text and other data should be displayed.
    - PWD is an environment variable that stores the current working directory. It is useful for navigating and referencing files and directories.
    - HOME is an environment variable that stores the path to the current user's home directory. It is often used by programs to locate user-specific configuration files and data.

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  • 13. 

    What is the keyboard shortcut to search through your bash command history buffer?

    • Ctrl+U

    • Ctrl+R

    • Ctrl+C

    • Ctrl+Z

    Correct Answer
    A. Ctrl+R
    Explanation
    Ctrl+R is the correct keyboard shortcut to search through your bash command history buffer. This shortcut allows you to search for a previously entered command by typing a keyword or phrase and then pressing Ctrl+R. It will search backwards through your command history and display the most recent command that matches the search criteria. This is a useful shortcut for quickly finding and reusing commands without having to scroll through your entire command history.

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  • Current Version
  • Dec 04, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 25, 2010
    Quiz Created by
    Tangel

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