what are different ways the context switch happens from user
to kernel space or vice-versa ?
1.Diff between Active and passive FTP? 2.What is anacron? 3.Diff between yum update and yum install while doing for kernel? 4.root_squash and no_root_squash does what? 5.What are the commands will you execute to find a new hardware? 6.How will you find out a lun allocated from SAN? 7.What is the main diff in CaT5 and CAT6 cable, except the 1/100 and 1/1000? 8.What is stale NFS and How will you fix it? 9.What is kernel panic error? 10.How will you recover password and shadow file, in case both got deleted. Explain the steps? 11.Explain boot process 12.What is network bonding. Explain the steps? 13.What are the exit codes returned by FSCK? 14.What is LDOM? 15.Diff between block and character device?
if one of the critical section code (linked list) is under ISR & another one in kernel thread ? How you will synchronize for this critical section code ?
how to configure http server on red hat linux4.0?
What is the Diffrent between Redhat linux And suse linux
How to give the root permision to users?
how to create a ftp user on redhat linux 4.0?
diff b/w spinlock, seamaphores and mutex and where to use it.
what is mean by raid and what are all raids available even in software and hardware?
what is stored in /proc ? what is significance of /proc in linux ?
what is stored at /lib/modules ?
What do fork() internally call?
What are the signals we have in Linux