- What is the core of Linux Operating System?
- What is the basic difference between UNIX and Linux Operating System.
- Is Linux Operating system Virus free?
- Linux is which kind of Operating System?
- What is Shell's Responsibilities ?
- What is awk ?
- What is "grep" program ?
- What is Interactive mode Linux?
- What is environment variable?
- What is shell variable?
- Explain the “Exit” command?
- What is GUI Scripting?
- How can shell scripts be debugged in unix?
- What is use of sed command?
- What are links and symbolic links in UNIX file system?
- What are PIDs in linux?