3. Which of the following is not a feature of UNIX? Explanation: UNIX is a multitasking operating system, i.e., a user can run multiple tasks concurrently. Similarly, it is a multiuser system because it permits working with multiple users on a single operating system.
Which of the following is a feature of the UNIX?
The main features of UNIX include multiuser, multitasking, and portability capabilities. Multiple users access the system by connecting to points known as terminals. Several users can run various programs or processes simultaneously on one system.
What are the three main parts of UNIX?
Unix comprises three main parts: the Kernel, the shell, and user commands and applications. The Kernel and shell are the heart and soul of the operating system. The Kseed ingests user input via the shell and accesses the hardware for memory allocation and file storage.
Which of the following are the features of the Linux operating system?
Hierarchical File System − Linux provides a standard file structure for arranging system files/ user files. Shell − Linux provides a special interpreter program thatcan be used to execute operating system commands. It can be used to do various operations and is called an application program. Etc.
Which one of the following options is not a shell in the UNIX system?
Q. Which one of the following options is not a shell in the UNIX system? B. c shell C. net shell D. korn shel Answer» c. net shell.
What is the output of who commands?
Explanation: who commands outputs the details of the users currently logged in to the system. The work includes username, terminal name (on which they are logged in), date and time of their login, etc. 11.
What are the features and benefits of UNIX?
What are the two parts of UNIX? Features of UNIX Multiuser System: Unix provides multiple programs to run and compete for the CPU’s attention. Multitask System: A single user may run multiple tasks concurrently—the Building-Block Approach: The UNIX Toolkit: Pattern Matching: Programming Facility: Documentation:
As seen in the image, the main components of the Unix operating system structure are the kernel layer, the shell layer, and the application layer.
Which is not a function of OS?
Detailed Solution. Functions of the operating system are: Therefore, Virus Protection is not the function of OS. It is a function of a Firewall and Antivirus.
Is it part of UNIX OS?
The UNIX operating system comprises the Kernel, the shell, and the programs.
What are the five basic components of Linux?
Every OS has parts, and the Linux OS has the following features: Bootloader. Your computer needs to go through a startup sequence called booting. OS Kernel. Background services. OS Shell. Graphics server. Desktop environment. Applications.
What are the components of the Linux kernel?
Major subsystems of the Linux kernel System call interface. The SCI is a thin layer that provides the means to perform function calls from user space into the Kernel. Process management. What is a kernel? Memory management. Virtual file system. Network stack. Device drivers. Architecture-dependent code.
What are the applications of Linux?
To make your lives easier, here is a list of the best Linux applications you must try and make optimum use of them. Mozilla Firefox. Firefox is the default browser for various Linux distributions, such as Mint and Ubuntu. Thunderbird. LibreOffice. VLC Media Player. Shortcut. GIMP. Audacity. Visual Studio Code.
Which command is used to compare two files?
Use the diff command to compare text files. It can compare single files or the contents of directories. When the diff command is run on regular files and reaches text files in different guides, the diff command tells which lines must be changed in the files to match.
What are the different file types available with Unix?
The seven standard Unix file types are regular, directory, symbolic link, FIFO special, block special, character special, and socket, as POSIX defines.
Is bash a shell?
Bash (Bourne Again Shell ) is the free version of the Bourne shell distributed with Linux and GNU operating systems. Created to improve on the earlier sh shot, Bash includes elements from the Korn shell and the C shell. Bash is similar to the original but has added features such as command-line editing.
What is the use of who commands?
The standard Unix command displays a list of users currently logged into the computer. The who knowledge relates to the command w, which provides the same information but displays additional data and statistics.
What is used in the df command?
Use the df command to display information about a file system’s total and available space. The FileSystem parameter specifies the name of the device on which the file system resides, the directory on which the file system is mounted, or the relative path name of a file system.
Who am I command-line?
whoami command is used both in Unix Operating System and as well as in Windows Operating System. It is the concatenation of the strings “who”,” am”, and” i” as whom. It displays the username of the current user when this command is invoked. It is similar to running the id command with the options -un.
What are the advantages of UNIX?
Advantages Full multitasking with protected memory. Very efficient virtual memory, so many programs can run with a modest amount of physical memory. Access controls and security. A rich set of remote commands and utilities that do specific tasks well — not cluttered up with lots of special options.
What are DOS and its features?
Features of DOS It is machine independence. It manages (computer) files. It handles the input and output systems. It works (computer) memory. It provides command processing facilities.
Why is UNIX used?
Unix is an operating system. It supports multitasking and multi-user functionality. Unix is most widely used in all computing systems, such as desktops, laptops, and servers. Unix has a Graphical user interface similar to windows that support easy navigation and a supportive environment.
What is the full form of UNIX?
UNIX Full Form The Full Form of UNIX (also ) is a UNiplexed Information Computing System. UNiplexed Information Computing System is a multi-user OS that is also virtual and can be implemented across a wide range of platforms such as desktops, laptops, servers, mobile devices, and more.
What are the three main components of Linux?
Linux Operating System has three components: Kernel: The kernel is the core of Linux. System Library: System libraries are special functions or programs that use application programs or system utilities to access Kernel’s features. System Utility:
What are the layers of UNIX?
The UNIX operating system (OS) consists of a kernel layer, a shell layer, and a utilities and applications layer. These three layers create a portable, multiuser, multitasking operating system.
Which is a function of an operating system?
An operating system has three main functions: (1) manage the computer’s resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface; and (3) execute and provide services for applications software.
What is the function of RAM?
Computer memory or random access memory (RAM) is your system’s short-term data storage; it stores the information your computer is actively using so that it can be accessed quickly. The more programs your system runs, the more memory you’ll need.
