100 Linux Questions for Experienced, Job Interview & Exams | MOCK 

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Linux interview questions for job preparation 2024
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Timelines:
00:00 Intro
01:03 Question 1 to 20
15:53 Question 21 to 40
29:14 Question 41 to 60
43:05 Question 61 to 80
55:45 Question 81 to 100
Questions covered:
Q: How do you change file permissions in Linux?
Q: What is a process in Linux?
Q: How do you view active processes in Linux?
Q: How do you kill a process in Linux?
Q: What is a daemon in Linux?
Q: What is the use of the df command in Linux?
Q: What does the free command do in Linux?
Q: Explain the purpose of the grep command.
Q: How do you compress and extract files in Linux?
Q: What is a symbolic link in Linux?
Q: What are inodes in Linux?
Q: What is the purpose of the crontab in Linux?
Q: How can you find the IP address of a Linux server?
Q: Explain the purpose of the sshd service.
Q: How do you check the status of a service in Linux?
Q: What is the purpose of the /etc/passwd file?
Q: Explain the use of the vi editor.
Q: How do you search for a file in Linux?
Q: What is the purpose of the iptables?
Q: What are environment variables in Linux?
Q: How do you set an environment variable in Linux?
Q: What is the purpose of the /etc/shadow file?
Q: Explain the use of the ping command.
Q: What is the difference between wget and curl?
Q: How do you check disk usage in Linux?
Q: Explain the use of the tail command.
Q: What is the purpose of the xargs command?
Q: How do you schedule a task in Linux?
Q: What is a package manager in Linux?
Q: Name some common package managers in Linux.
Q: What is the difference between yum and rpm?
Q: How do you list all installed packages in Linux?
Q: What is a Linux service?
Q: How do you start, stop, and restart services in Linux?
Q: Explain the purpose of the /etc/fstab file.
Q: What is LVM and what are its advantages?
Q: How do you create a simple script in Linux?
Q: What is the use of the nohup command?
Q: Explain the use of the sed command.
Q: What is the purpose of the /var directory?
Q: How do you monitor system performance in Linux?
Q: Explain the purpose of the ssh command.
Q: How do you secure an SSH server?
Q: What is the purpose of the /home directory?
Q: Explain the use of the awk command.
Q: What is swap space in Linux?
Q: How do you create a swap file in Linux?
Q: What is the purpose of the /etc/hosts file?
Q: How do you set a static IP address in Linux?
Q: Explain the purpose of the nslookup command.
Q: What is the difference between iptables and firewalld?
Q: What are runlevels in Linux?
Q: How do you change runlevels?
Q: What is the purpose of the /boot directory?
Q: Explain the purpose of the rsync command.
Q: What is a Linux distribution?
Q: Name some popular Linux distributions.
Q: How do you change the hostname of a Linux system?
Q: What are system logs and where are they located?
Q: Explain the purpose of the netstat command.
Q: What is the purpose of the /etc/sysconfig directory?
Q: How do you update all packages in Linux?
Q: What are the common network configuration files in Linux?
Q: How do you change the default runlevel?
Q: What is the purpose of the /etc/resolv.conf file?
Q: How do you find which process is using a particular file?
Q: What is the purpose of the dmesg command?
Q: Explain the purpose of the usermod command.
Q: How do you find the size of a directory in Linux?
Q: What is the purpose of the /etc/cron.* directories?
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