Operating Systems Questions

• A UNIX user named Bob wants to replace his chess program with a new one, but he is not sure where the old one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command: java -classpath /test:/home/bob/downloads/*.jar games.Chess Bob's CLASSPATH is set (at login time) to: /usr/lib:/home/bob/classes:/opt/java/lib:/opt/java/lib/*.jar What is a possible location for the Chess.class file?
• Default read write and execute permissions given to a file for owner, group and others are
• The list of coded instructions is called
• Which of the following is Not an Operating System?
• What type of operating system uses the NTFS file system ?
• Explain soundex() and metaphone() ?
• High level language is also called as ?
• When is a system in safe state?
• What are local and global page replacements?
• What are demand-paging and pre-paging?
• What is the perfect page size when designing an operating system ?
• What are the various types of CPU registers in a regular operating system design ?
• What are cookies ?
• What happens during the bootstrap process?
• By default, a Linux user falls under which group?
• Is Windows NT a full blown object oriented operating system? Give reasons.
• What is an operating system?
• What are the operating system components?
• What is CPU Scheduler?
• What is cycle stealing?