what is the difference between user APIs and kernel system calls ?

1 Answers   NetApp,

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What is the use of proc structure?

2 Answers   NetApp,

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what are Softirq's and how many major numbers be allocated in the linux kernel(2.4) ?

1 Answers  

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what are the backup utilites on red hat linux 4.0?

4 Answers   Wipro,

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what is bus trap.

1 Answers   NetApp,

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what is the diff b/w MUTEX and semaphore?

12 Answers   Sony, TCS,

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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?

2 Answers   Wipro,

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What is atomic function / atomic variable ?

1 Answers   Broadcom,

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Port number is already in use .. how to fix for apache..?

1 Answers   Google,

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if root user forget the password how to change it?

4 Answers   Wipro,

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what is cups and how to configure?

7 Answers   IBM,

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what kind of information the linux driver modules (.ko ) files has ?

2 Answers   NetApp,

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