UNIX Interview Questions
- What is redirection?
- What is Marshalling?
- What is Semaphore?
- What is Expansion swap?
- What is Page-Stealer process?
- Where is kernel located in unix?
- What are the process states in Unix?
- How to find free space in Unix/Linux?
- What are the Unix system calls for I/O?
- How are devices represented in UNIX?
- What is? The principle of locality?
- What is page fault? Its types?
- What is BSS (Block Started by Symbol)?
- What is difference between lilo and stub?
- Difference between the fork () and vfork () system call?
- What are various IDs associated with a process in UNIX OS?
- What are the different process states?
- What command is used to remove a file?
- What is the difference between Swapping and Paging?
- How can you find all the processes on your system?
- What are the requirements for a swapper to work?
- How do you create a decision tree in a shell script?
- Which command is used to delete all files in the current directory and all its sub-directories?
- What are states that the page can be in, after causing a page fault?
- What are the requirements for a swapper to work?
- What is the easiest method to create a file on UNIX?
- How the Kernel handles both the page stealer and the fault handler?
- What are data structures that are used for Demand Paging?
- Unix command to concatenate (attach) two strings?
- What is the window of the working set of a process?
- What are conditions on which deadlock can occur while swapping the processes?
- Unix command to concatenate (attach) two strings?
- What are the requirements for a swapper to work?
- Discuss the mount and unmount system calls in UNIX OS?
- Explain UNIX fork () system call?
- How do you connect to or query Oracle database from a UNIX platform?
- How can you determine the space left in a file system?
- The system administrator tells you that the system hasn’t been rebooted in 6 months, should he be proud of this?
- Difference – Loading and Linking?
- What is major difference between the Historic Unix and the new BSD release of Unix System V in terms of Memory Management?
- What are the differences between Daemons in Unix and service processes in Windows?
- How to switch to a super user status to gain privileges?
- What does the swapping system do if it identifies the illegal page for swapping?
- What does the command? $ls | wc? l > file1? do?
- What is the difference between soft link and hard link in Unix operating system?
- Explain the types of interrupts in detail?
- What difference between cmp and diff commands?
- What do you mean by u-area (user area) or u-block?
- How many prompts are available in a UNIX system?
- How can you find dead processes?
- How can a parent and child process communicate?
- What are the phases of swapping a page from the memory?
- How to remove blank space at the end of the line in VI editor?
- In what way the Fault Handlers and the Interrupt handlers are different?
- How to get a computer aided instruction?
- What are the criteria for choosing a process for swapping out of the memory to the swap device?
- What are the bits that support the demand paging?
- Define and explain COM?
- What is redirection and how is it used?
- How the Kernel handles both the page stealer and the fault handler?