| A UNIX system administrator is a person who | | | | in 1969 by a group of AT&T employees at Bell |
| manages the multi-user computer system in an | | | | Labs. It runs on a range of computers from |
| organization. He or she supports, monitors, tests and | | | | microprocessors to the largest mainframes. |
| troubleshoots hardware and software problems. They | | | | 4. Define some of the functions of a kernel? |
| also install new software releases, upgrade the | | | | The kernel is a part of the Operating System that |
| system, perform procedures to prevent the spread of | | | | interacts directly with the hardware of computer, |
| viruses, evaluate and install patches and resolve | | | | through device drivers that are built into the kernel. It |
| software related problems. | | | | provides set of services that can be used by |
| An interview is a recruitment process in which an | | | | programs, insulating these programs from the |
| interviewer asks questions related to the job from an | | | | underlying hardware. A kernel is responsible for |
| interviewee. It is a two way communication process. | | | | managing computer memory, allocating resource of |
| Given below are some common interview questions | | | | the computer, controlling access to the computer, |
| that come up again and again during interviews for this | | | | maintaining file system and handling interrupts and |
| post. | | | | errors. |
| 1. What do you understand by semaphore? | | | | 5. What skills will you bring to our organization? |
| A semaphore is a kind of inter process communication | | | | Well, I am familiar with Sun, Solaris and Cisco |
| resource which is used for synchronization and mutual | | | | Hardware, TCP/IP, Jumpstart, VERITAS Volume |
| exclusion between any two asynchronous processes. | | | | Manager, C-shell, Perl Oracle 8i, My SQL, Solaris |
| | | | Production, Apache, Sun Server, UNIX and Linux. |
| 2. How will you define a COM? | | | | |
| COM is the short form for Component Object Model. It | | | | 6. What occupation specific tasks have you |
| is a Microsoft platform for software components | | | | undertaken in your previous organization? |
| which is used to enable cross-application | | | | In my previous organization I used to monitor and tune |
| communication and dynamic object creation in any | | | | system, develop and maintain the documents, library |
| programming language that supports the technology. | | | | and procedural documents and install and configure the |
| COM is often used in the software development world | | | | modem, routers, hubs and LAN terminal servers. |
| as an umbrella term that encompasses the OLE, | | | | These are some of the important interview questions |
| ActiveX, COM+ and DCOM technologies. | | | | that are frequently asked. Do not forget to say "thank |
| 3. What do you mean by UNIX? | | | | you" to the person or people who interviewed you. |
| UNIX developed by Ken Thompson and Dennis Ritchie | | | | |