UNIX interview Questions

Generally Asked Unix Interview Questions

What exactly is UNIX?
How are devices represented in UNIX?
What is ‘inode’?
Brief about the directory representation in UNIX
How do you change File Access Permissions?
What are the main differences between Apache 1.x and 2.x?
Explain about DELETE and BREAK?
What are the Unix system calls for I/O?
What is a FIFO?
What is a shell?
What does the “route” command do?
Explain about TYPE-ahead?
What is a zombie?
What are the read/write/execute bits on a directory mean?
Explain about cat?
What does iostat do?
How to search files for lines that match a pattern?
what does vmstat do?
Describe about the root file system?
What does netstat do?
Explain about ZAP?
Explain fork() system call.
What is AWK?
Explain abut low-level I/O?
What is SED?
Explain about read slow?
What is the difference between binaries in /bin, and /usr/bin?
What function does “errno” do?
What is a dynamically linked file?
Describe the process of “spname”?
What is a statically linked file?
Explain about fork?

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