Linux Interview Questions
Linux Interview Questions

  1. Linux Booting Process
  2. Command to see device drivers
  3. Copy files over the network
  4. Copy hidden files
  5. Change file’s owner
  6. About SMTP
  7. How to check Operating System version
  8. Swap partition
  9. Iptables
  10. Chmod command
  11. /etc/passwd file store information of
  12. How to kill process ID?
  13. How to check Operating System 32 bit or 64 bit?
  14. Difference between paging and swaping
  15. Difference between linux and unix
  16. Difference between hard link and soft link
  17. Schedule job (crontab and at)
  18. Command to see file size
  19. Difference between tcp and udp
  20. About tcp handshake
  21. About zombie process
  22. Command nslookup
  23. Linux Operating system is free from virus? If no why?
  24. How many viruses in linux?
  25. Sticky bit
  26. Umask
  27. What is shell?
  28. About DNS/ DNS configuration step by step
  29. Piping
  30. Remove directory and files
  31. Use of command kill -9
  32. Daemon of log and log files
  33. Command to see cpu utilization
  34. Display disk partition
  35. Command to flush buffer memory
  36. Command to display last login user
  37. About NFS and configuration file of NFS
  38. About portmap
  39. How to lock user and unlock
  40. Upgrade Redhat 5 to Redhat 6
  41. About runlevel
  42. About cluster
  43. Abou RAID / types of RAID
  44. Command to see system running time