Linux Operating System Interview Preparation Guide
Sharpen your Linux OS interview expertise with our handpicked 6 questions. Each question is designed to test and expand your Linux OS expertise. Suitable for all experience levels, these questions will help you prepare thoroughly. Access the free PDF to get all 6 questions and give yourself the best chance of acing your Linux OS interview. This resource is perfect for thorough preparation and confidence building.6 Linux OS Questions and Answers:
1 :: You need to see the last fifteen lines of the files dog, cat and horse. What command should you use?
tail -15 dog cat horse
The tail utility displays the end of a file. The -15 tells tail to display the last fifteen lines of each specified file.
The tail utility displays the end of a file. The -15 tells tail to display the last fifteen lines of each specified file.
2 :: Who owns the data dictionary in Linux?
The SYS user owns the data dictionary. The SYS and SYSTEM users are created when the database is created.
3 :: You routinely compress old log files. You now need to examine a log from two months ago. In order to view its contents without first having to decompress it, use the _________ utility in Linux
zcat
The zcat utility allows you to examine the contents of a compressed file much the same way that cat displays a file.
The zcat utility allows you to examine the contents of a compressed file much the same way that cat displays a file.
4 :: You suspect that you have two commands with the same name as the command is not producing the expected results. What command can you use to determine the location of the command being run?
which
The which command searches your path until it finds a command that matches the command you are looking for and displays its full path in Linux OS.
The which command searches your path until it finds a command that matches the command you are looking for and displays its full path in Linux OS.
5 :: You locate a command in the /bin directory but do not know what it does. What command can you use to determine its purpose
whatis
The whatis command displays a summary line from the man page for the specified command in Linux.
The whatis command displays a summary line from the man page for the specified command in Linux.
6 :: You wish to create a link to the /data directory in bob's home directory so you issue the command ln /data /home/bob/datalink but the command fails. What option should you use in this command line to be successful.
Use the -F option
In order to create a link to a directory you must use the -F option.
In order to create a link to a directory you must use the -F option.