In this video, I am going to explain interview questions and answers which are usually asked and answers for the questions with simple tricks. These are the questions:
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LINUX
1.MANAGING FILES FROM COMMAND LINE
How many types of files are there in Linux?
-
d
c
l
S
B
P
What is the command to check file modification time?
How can you check who modified the file?
How do you check the difference between file?
How will you find files containing “STRING” word?
How will you ensure that a file will not be deleted accidentally?
What is the difference between cp and mv command?
2.STD INPUT,OUTPUT,ERROR REDIRECTIONS
What are stdIN and stdOUT?
How do you print stderr and stdout on any file?
3.MANAGING LOCAL LINUX USERS AND GROUPS
How to add a user in Linux?
Where does Linux OS store information related to users and groups?
What is the use of /etc/skel directory?
What is the use of /etc/login.defs file?
How to change home directory/login shell/ userid?
What are the files where Linux users default values are stored?
How to create a user without Home Directory?
How to restrict a user to run only ping command?
What will I need to do if I don’t want to create a mailbox for a user?
4.CONTROLLING ACCESS TO FILES WITH LINUX FILESYSTEM PERMISSIONS
How can I revoke file permission on a directory or a file for one user?
What is the difference between SUID, SGID, and StickyBit?
What is seffacl, getfacl and chattr and lsattr command?
How can I inherit group on the filesystem?
How can I enable ACL on Linux file system?
How can I set a quota for a user on Linux?
5.MONITORING AND MANAGING LINUX PROCESS
How to check all running process on Linux?
How can I change the priority of the running process?
What is the range of NICE value?
-20 +20
How can I check the state of a process?
How can I check when a process was started?
How can I check how much CPU and Memory a process is utilizing?
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