What is the difference between lock and semaphore?

854

You have a file called sales data and create symbolic links to it in bob’s home directory. Bob calls you and says that his link no longer works. How can you fix the link?

841

What is the latest linux kernel?

872

How do I get to root directory in linux?

1010

which files are called for user profile by default when a user gets login in linux?

931

If a volume group named vg0 already exists and we need to extend this volume group up to 4gb. How will you do it?

803

How does socket communication work?

824

Do threads share heap?

807

What is inode number?

885

how do you monitor or measure performance of a linux server which is running for more than 5 years with out a break?

976

what is the fastest way to enter a series of commands from the command-line in linux

1005

Can a process have 0 threads?

763

What do cores and threads mean?

807

What are the default port numbers used by ssh,ftp,http,https,telnet,smtp,pop3,pop3s,imap,imaps?

910

What is the use getservent(3)?

1480