What are the functions of Linux kernel?
The kernel has 4 jobs:
- Memory management: Keep track of how much memory is used to store what, and where.
- Process management: Determine which processes can use the central processing unit (CPU), when, and for how long.
- Device drivers: Act as mediator/interpreter between the hardware and processes.
What are the 5 main functions of the kernel?
The main functions that the Kernel performs are as follows:
- Process Management.
- Memory Management.
- Device Management.
- Interrupt Handling.
- Input Output Communication.
Which one of the following is not true kernel? Explanation: None. 6. Which one of the following is not true? Explanation: Kernel is the first program that is loaded in memory when OS is loading as well as it remains in memory till OS is running.
Which of the following tasks are performed by the Linux kernel? The kernel performs its tasks, such as running processes, managing hardware devices such as the hard disk, and handling interrupts, in this protected kernel space. In contrast, application programs such as browsers, word processors, or audio or video players use a separate area of memory, user space.
What are the functions of Linux kernel? – Additional Questions
What are the features of kernel?
Features of Kernel
- Low-level scheduling of processes.
- Inter-process communication.
- Process synchronization.
- Context switching.
What are the types of kernel in Linux?
Following are the five types of kernel:
- Monolithic Kernel: In this, all OS services operate in the kernel space i.e., user services and kernel services are implemented in the same memory space.
- Micro Kernel:
- Hybrid Kernel:
- Exo Kernel:
- Nano Kernel:
What does SuSE Linux stand for?
SuSE was an abbreviation for Gesellschaft für Software und Systementwicklung mbH, which loosely translates to “software and system development company. In the same year, the founders introduced the first distribution of its Linux-based OS, Softlanding Linux System (SLS).
Which of the following is the most popular Linux platform for mobile phones?
The most popular Linux platform for mobile phones is:
Android.
What command can you use to safely shut down the Linux system immediately?
Linux shutdown commands are entered in the Linux terminal that is launched by using the keyboard shortcut[Ctrl] + [Alt] + [T]. You can then close the terminal window with the shortcut [Ctrl] + [D]. Command for shutting down Linux at 5:30 p.m.
Which of the following commands will delete a directory and all of the files contained within it choose all that apply?
The -r option for the rm command will recursively delete directories as well as any subdirectories contained within them, as well as files contained in any of those directories or subdirectories.
Which of the following commands lets you move to another directory choose only one answer?
The cd (“change directory”) command is used to change the current working directory in Linux and other Unix-like operating systems. It is one of the most basic and frequently used commands when working on the Linux terminal.
Which of the following will delete a directory and all of the files contained within it?
The -r option for the rm command will recursively delete directories as well as any subdirectories contained within them, as well as files contained in any of those directories or subdirectories.
Which of the following commands should you use to delete files on a Linux system?
The rm command (short for remove) is a Unix / Linux command which is used to delete files from a file system.
Which of the following commands is used on a Linux system to display the current working directory’s full pathname to the screen?
Which of the following commands is used on a Linux system to display the current working directory’s full pathname to the screen? The pwd command is used to display the current working directory to the screen.
Which of the following commands is used to delete a file?
The rm command is used to delete files.
Which of the following is a valid permission in the Linux file system?
There are 3 types of permissions in Linux for handling file these can be listed down as follows: Read: User can read the file and list the directory. Write: User can write new files in the directory. Execute: User can access and run the file in a directory.
What are 3 different types of permissions in Linux?
Permissions
- chmod : change file permissions.
- chown : change file owner.
- chgrp : change group ownership.
- id : print user and group IDs.
Which of the following is not a valid type in UNIX Linux?
| Q. |
Which of the following is not a valid file type on Linux |
| B. |
softlink |
| C. |
inode |
| D. |
fifo |
| Answer» c. inode
|
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What are three types of permissions in Linux?
Nine characters denotes the three types of permissions.
- Read (r) : The read permission allows you to open and read the content of a file.
- Write (w) : The write permission allows you to edit, remove or rename a file.
- Execute (x): In Unix type system, you can’t run or execute a program unless execute permission is set.
What are the 3 three basic types of permissions?
read – The Read permission refers to a user’s capability to read the contents of the file. write – The Write permissions refer to a user’s capability to write or modify a file or directory. execute – The Execute permission affects a user’s capability to execute a file or view the contents of a directory.
What are the basic components of Linux?
Every OS has component parts, and the Linux OS also has the following components parts:
- Bootloader. Your computer needs to go through a startup sequence called booting.
- OS Kernel.
- Background services.
- OS Shell.
- Graphics server.
- Desktop environment.
- Applications.
