Oracle Installation and Unix Question

17. How do you kill a process in UNIX?
  You can use the kill command to kill a process in UNIX.
 
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18. What is OERR?
 
  • OERR is a utility provided on the UNIX platform.
  • It can be used to retrieve more information about an error message.
  • This utility cannot work on Windows because it needs awk command to function; however, some workgrounds are available to use this utility in Windows.
 
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19. Explain the iostat, vmstat, and netstat commands?
 
  • The iostat command reports on terminal, disk and tape I/O activity;
  • The vmstat command reports on virtual memory statistics for processes, disk, tape and CPU activity; the netstat commands reports on the contents of network data structures.
 
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20. Give the command to display space usage on the UNIX system?
  The df –lk command
 
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