How to recover /etc/passwd file and /etc/shadow file?
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What command is used to check the number of files, disk space, and each user’s defined quota?
I want to kill zombie process, but with using kill 9 i cannot kill that process? can u tell other commands?
What is the best cpu stress test?
Write a command that will display all .txt files, including its individual permission.
A file which is not deleted by normal user and also root (using rm), for that type of file how we delete it?
1.I want to change runlevel but the Users shall not be disturbed?how? 2.Disk have 5gb disk utilization even though files unable to create, why? 3.what are the internal and external command in linux? 4.sar command o/p? 5.how list the open files? 6.what is kernel compiling? 7.How do u See complete configuration in ur system? 8.how will u make a daily updates with cron daily? 9.which port is associated with ttys0? 10.specific some problems linux admin(if u are linux admin)faced and how did u overcome it?
10 Answers IBM, TCS,
Describe the mknod command and when you’d use it.
Which priority has the process?how do u view?
how to call recursive grep function?
How does diff command work?
What Command used to lock user password?
How use linux command line?