Linux - L2
Fundamentals of Linux Operating system
Linux is a popular operating system for PC users all over the world It is an independent portable operating system.
It is a multitasking Operating System and it includes virtual memory shared library, memory management, TCP/IP networking features, and also includes features of a commercial OS.
Linux distribution is an operating system that is made up of a collection of software based on the Linux Kernel or you can say distribution contains the Linux Kernel and software supporting libraries.
Kernel:
The kernel is the core of the Linux-based operating system. It virtualizes the common hardware resources of the computer to provide each process with its virtual resources. This makes the process the same as if it is the sole process running on the machine. the kernel is also responsible for preventing and mediating conflicts between different processes.
Types of kernels:
Monolithic kernel Hybrid Karnal Microkernel
System library:
It is the special types of function that are used to implement the functionality of the operating system.
Shell: It is an interface to the kernel which hides the complexity of the kernel function from the user. it takes commands from the user and executes the kernel functions.
Hardware Layer: This layer consists of all peripheral devices like RAM, HDD, CPU, etc.
Question 1.
Using which of the following command can hidden files be viewed?
Question 2.
Can you give the command for finding kernel name?
Question 3.
What is the Command for machine name?
Question 4.
What is the Command for getting the IP address of the Machine?
Question 5.
What is the Command for getting the OS version?
Question 6.
What is the command for adding user?
Question 7.
What is the command for checking whether user is available?
Question 8.
What is the command for checking whether password is set for the user?
Question 9.
What is the command for creating empty file?
Question 10.
What is the command for creating directory?
Question 11.
What is the command to check size of files and folders?
Question 12.
What is the command for checking the word count?
Question 13.
What is the command for easy navigation over the file?
Question 14.
What is the command for page by page dispaly of the content of the file?
Question 15.
What is the command for getting the contain of the file in reverse order?
Question 16.
What is the command for removing the files?
Question 17.
What is the command for change directory?
Question 18.
What is the command for removing user?
Question 19.
What is the command for checking the user login details?
Question 20.
When uid and gid is 0,means user is ______?
Question 21.
Regular-user uid and gid starts from 1000-_____?
Question 22.
What is the Heart of Linux Operating System?
Question 23.
What is the command for changing the user?
Question 24.
What modify the command in cli syntax?
Question 25.
Which is cli stands for?
Question 26.
Which of the following commands is used to display and create files?
Question 27.
Which command use to change the permission of files and directoires?
Question 28.
Which command use to change the file ownership and group-ownership?
Question 29.
What is numerical value for write in permission?
Question 30.
What is the command for modify the user account?
Question 31.
Over vim editor which command use to set line numbers in the file?
Question 32.
Command to paste lines in vim editor______
Question 33.
What is the command to delete single line in vim editor?
Question 34.
What is the command to access the bottom of the file?
Question 35.
What is the command to save the content over vim editor?
Question 36.
What is the Command to find process id:
Question 37.
What is the command for process kill?
Question 38.
What is the option to use kill the process,forcefully?
Question 39.
What is command for process tree?
Question 40.
Network manager command line interface:----------------
Question 41.
Which of the following is used to represent the top-level directory?
Question 42.
Which option of ls command used to view file inode number ?
Question 43.
GNU stands for ____.
Question 44.
Identify the command which is used to record sessions in Linux
Question 45.
Which of the following directory does the configuration files are present?
Question 46.
User interface over terminal
Question 47.
Linux Kernel was founded by?
Question 48.
Choose whether the following statement is true or false:The maximum file size in Linux is----- bytes.
Question 49.
RPM stands for
Question 50.
If two files got same inode number is called