Linux Basic Interview Question and Answers
1.Who is the founder of Linux ?
A Linux Torvalds.
2. In which year linux was invented ?
A 1991 – In This year Linux was introduced by Linux Torvalds.
3. WHAT IS LINUX OPERATING SYSTEM
Linux is a free and open source operating system, Linux is always free for anyone to use, modify, and distribute Linux is copyLeft, There are different organization are disturbuting there own Linux operating system in 32-bit, 64-bit and power pc, A Linux distribution, often simply distribution or distro, is a member of the Linux family of Unix-like computer operating systems.
4. What is Kernel ?
The kernel is a program that constitutes the central core of a computer operating system. It has complete control over everything that occurs in the system.
5. What is GRUB ?
GNU GRUB (short for GNU GRand Unified Bootloader) is a boot loader package from he GNU Project. GRUB is the reference implementation of the Free Software oundation’s Multiboot Specification, which provides a user the choice to boot one of ultiple operating systems installed on a computer or select a specific kernel onfiguration available on a particular operating system’s partitions.
6. How do you find your current shell?
A. echo $SHELL
7. How do you find today’s date?
8. What are PIDs ?
A. PID’s are process IDs given to processes.
9. How do you list currently running all process?
10. How do you stop a particular process?
A. kill pid
11. What is Linux Distros
A Linux distribution, often simply distribution or distro, is a member of the Linux family of Unix-like computer operating systems.
12. Advantages of Linux
- Costs less
- Extremely powerful
- Free Online Help
- Free From Virus
- Free Software Available for All kind of stuff.
13. What is Kernel ·
It is a Core or nucleus of an operating system · It Interacts with the hardware · First program to get loaded when the system starts and runs till the session gets terminated · Different from BIOS which is hardware dependent. · Kernel is software dependent
14. 3 C’s of Open Source
Code Some popular world-class open source projects are Linux, Apache, MySQL, PHP, and Ruby Collaboration Collaborative tools are the backbone of the open source way. Tools include version control systems, IRC, mailing lists, wikis, blogs to help developers working on building code together.
3 C’s of Open Source Community Sharing ideas and developing code across the Internet with developers all over the globe forms the community for most open source projects.
15. What is GCC In Linux
GCC, an acronym for GNU Compiler Collection, is a compiler generation framework which generates production quality optimizing compilers from descriptions of target platforms. It follows an open development model whereby its source is available for all for inspection and modification. It supports a wide variety of source languages and target machines (including operating system specific variants) in a ready-to-deploy form. Besides, new machines can be added by describing instruction set architectures and some other information (eg. calling conventions).