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Disk management in linux interview questions

Yes, this article is about Linux interview questions with answers exclusively for those who are aiming for a career that's all about Linux. You may get overwhelmed with various types of why, how, and what of Linux. So, we have collected 100 important Linux interview questions to make your work easier.

1. Divide the disc into multiple cylinder groups. Each is treated as a logical disk. 2. Logical format or "Create File System". The OS stores the data structure of the first file system on the disk. Contains free space and allocated space. For efficiency, most file systems group blocks into clusters. Disk I / O runs in blocks. Another item you should investigate is the slow query log file. If you look in /etc/mysql/my.cnf, you will notice 2 lines that relate to slow queries, make sure you uncomment them and restart MySQL. The long_query_time can be adjusted to say 10 seconds, so that any query running longer than 10 seconds is logged. 2. Explain briefly the structure of a hard drive? 3. Explain how data is read and written on a hard disk? 4. What are the ways in which errors can be handled by hard disks? 5. Briefly explain what do you understand by Formatting in reference to hard disks. 6.

LVM stands for Large Volume Management, it is a storage management device. Users can create, resize, and delete LVM partitions. ... Users can use the df command to troubleshoot disk space issues. Here df stands for display free disk space. df Command Example: ... A Linux interview question may be a good idea to help you decide whether it is the.

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Now, you would type the following: # chmod o+w file1.txt. The above command tells the system you want to give others write permission to the file file1.txt. To check the results, list the file's details again. Now, the file looks like this: -rw-rw-rw- 1 john sap 150 Mar 19 08:08 file1.txt.

7. How to know who has scheduled the job? Answer : The Linux command ‘at’ along with switch ‘-l’ is all we need to use in order to check who has scheduled the job. 8. How to view the contents of the tar ball without extracting it. How will you do this? Answer : We need to use command ‘tar’ with options ‘-tvf’.

LVM stands for Large Volume Management, it is a storage management device. Users can create, resize, and delete LVM partitions. ... Users can use the df command to troubleshoot disk space issues. Here df stands for display free disk space. df Command Example: ... A Linux interview question may be a good idea to help you decide whether it is the.

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