Linux Support Engineer

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Linux Support Engineer Interview Questions and Answers

Updated 12 Jul 2024

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Q1. What do you mean by Linux? Explain its features.

Ans.

Linux is an open-source operating system known for its stability, security, and flexibility.

  • Linux is a Unix-like operating system that was developed as a free and open-source software.

  • It provides a stable and secure environment for running applications and services.

  • Linux supports a wide range of hardware architectures and has a large community of developers and users.

  • It offers a command-line interface, as well as various graphical user interfaces.

  • Linux is highly customizable ...read more

Q2. What is Linux Shell? What types of Shells are there in Linux?

Ans.

Linux Shell is a command-line interpreter that allows users to interact with the operating system. There are various types of shells in Linux.

  • Linux Shell is a program that interprets user commands and executes them.

  • It provides a command-line interface for users to interact with the Linux operating system.

  • Shells can be used to run scripts, automate tasks, and manage system resources.

  • Some popular shells in Linux are Bash (Bourne Again SHell), C Shell (csh), Korn Shell (ksh), an...read more

Linux Support Engineer Interview Questions and Answers for Freshers

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Q3. What do you mean by a Process States in Linux?

Ans.

Process states in Linux refer to the different states that a process can be in during its execution.

  • The process states in Linux include running, waiting, sleeping, stopped, and zombie.

  • Running state indicates that the process is currently being executed by the CPU.

  • Waiting state means that the process is waiting for a particular event or resource to become available.

  • Sleeping state occurs when a process voluntarily gives up the CPU and waits for a specific condition to be satisf...read more

Q4. Name different types of modes used in VI editor.

Ans.

VI editor has different modes for editing and navigating text.

  • Command mode: used for navigating and executing commands

  • Insert mode: used for inserting text

  • Visual mode: used for selecting and manipulating text

  • Replace mode: used for replacing text

  • Ex mode: used for executing commands and scripts

  • Global mode: used for searching and replacing text globally

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Q5. Do you know how to write a bash script or have you scheduled any process to run using crontab ?

Ans.

Yes, I have experience writing bash scripts and scheduling processes using crontab.

  • I have written bash scripts to automate tasks such as backups, log rotation, and system monitoring.

  • I have used crontab to schedule these scripts to run at specific times or intervals.

  • I am familiar with setting up cron jobs, editing crontab files, and troubleshooting any issues that may arise.

Q6. How many linux flavours exits ?

Ans.

There are hundreds of Linux distributions, each with its own unique features and target audience.

  • There are over 600 different Linux distributions available.

  • Popular Linux distributions include Ubuntu, Fedora, CentOS, Debian, and Arch Linux.

  • Each distribution has its own package management system, desktop environment, and software selection.

  • Some distributions are designed for specific purposes, such as security (Kali Linux), multimedia production (Ubuntu Studio), or lightweight ...read more

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Q7. What is use of pwd command

Ans.

pwd command is used to print the current working directory.

  • pwd stands for 'print working directory'

  • It displays the absolute path of the current working directory

  • It is useful when navigating through the file system

  • It can be used with other commands like cd to navigate to a specific directory

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