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  1. What is the system calls used for process management
  2. What are various IDs associated with a process
  3. Describe the initial process sequence while the system boots up
  4. What are the various schemes available
  5. What is IPC
  6. How do you execute one program from within another
  7. What is a Daemon
  8. What is an advantage of executing a process in background
  9. What Happens when you execute a command
  10. What are the process states in Unix
  11. What is a zombie
  12. How can a parent and child process communicate
  13. Explain fork() system call
  14. How can you get or set an environment variable from a program
  15. Explain Linking across directories
  16. What is the condition required for dead lock in UNIX system
  17. Write About fork ()
  18. What is the very first process created by kernel
  19. What is the process id for kernel process
  20. Predict the output of the following program code
  21. In UNIX inter process communication take place using
  22. How do you find out all processes that are currently running in UNIX OS
  23. What is the command to list files in a directory in UNIX
  24. What command would users use to see what file one page at a time in UNIX
  25. What command a user use to view a long text file one page at a time in UNIX
  26. What command will bring user back to their home directory in UNIX
  27. How does the user view the contents of a text file in UNIX
  28. What Command will remove a Directory in UNIX
  29. How does a user get the current date, time in UNIX
  30. Give command that will make the file "run.sh" executable
  31. Give Command that will move a single file called "unix.txt"
  32. What Command is used to make a directory
  33. What command is used to replace the existing string with some other
  34. What is the command to list all files in directory,including the hidden files in UNIX
  35. Give Command that will change the name of a directly from paypal to eBay
  36. How to copy multiple files and directories into some other directory
  37. Which command is used to identify the type of the file
  38. How to view the hidden files in /etc directory
  39. How to identify whether a file is normal file or directory
  40. How to get the operating system's information in UNIX
  41. What is the functionality of kernel in UNIX architecture
  42. What is the use of "grep" command
  43. What are the uses of filters
  44. How to redirect standard error to a file
  45. What is the use of wild cards
  46. What is the use of "fg" command
  47. What is the use of nice command
  48. Which command is used to stop a running process in UNIX
  49. Which command is used to change group
  50. What is the significance of "su" command
  51. How to remove a crontab file
  52. What does the job command do
  53. How to create hard links and soft links on files
  54. What does the command 'wc' do
  55. What does the 'tee' command do
  56. What is the function of grep command
  57. Can a process kill itself in UNIX/or in its various versions
  58. What is telnet
  59. What the shell is for doesn?t operating systems
  60. How to convert a hidden file to normal visible file
  61. What is the use of unique command
  62. What are wild cards
  63. What is the difference between relative path and absolute path
  64. What is the command to find out the difference between files and folders
  65. What is the command to find out which shell you are running
  66. What is the difference between "cron" commands and "at" command
  67. what are the different types of tar commands
  68. In UNIX, what is the command to kill a process
  69. In UNIX, what is the command to edit contents of the file
  70. What is the command to view contents of a large error log file
  71. What is the command to get help on a UNIX terminal
  72. How to copy file into directory in UNIX
  73. What is the command to remove directory with files in UNIX
  74. How to rename files and folders
  75. What are the different commands used to create files
  76. How to delete a directory containing files and folders
  77. what are the different commands used to view the contents of a file
  78. What is shell
  79. What is kernel
  80. How do you change your account's password
  81. What are the differences between CUI and GUI interfaces
  82. What are the different hardware available
  83. What are the different operating systems available
  84. If we want to see first 35 lines of a file which command we have to use
  85. Explain iostat, vmstat and netstat
  86. How would you change all occurrences of a value using VI
  87. Give the command to display space usage on the UNIX file system
  88. What is the difference between a soft link and a hard link
  89. Explain the read, write, and execute permissions on a UNIX directory
  90. How do you execute a UNIX command in the background
  91. How do you list the files in an UNIX directory while also showing hidden files
  92. What UNIX command will control the default file permissions when files are created
  93. What do you understand by 'building block primitive'
  94. What is the advantage of each user having its own copy of the shell
  95. What does a process mean
  96. What are processor execution levels and priorities
  97. Distinguish between multi-tasking, multi-user, multi- processing and time sharing
  98. Distinguish between physical addresses and logical address
  99. What is virtual machine
  100. Distinguish between interrupts and exceptions
  101. Distinguish between user mode and kernel mode
  102. Distinguish between paging and swapping
  103. How do you install Oracle software on UNIX
  104. Give two UNIX kernel parameters that affect an Oracle install
  105. How do you stop a running process
  106. How do you move a process which is running background to foreground
  107. What is the syntax of grep command and what is its use
  108. What is pid
  109. What do you understand by 'UNIX is a portable OS'
  110. What do you understand byte term 'de-mountable volumes'
  111. How do you copy a directory with many files and folders into another directory
  112. What is the procedure of "at" and crontab" commands
  113. How do you remove a crontab file
  114. What is the basic difference between UNIX and windows operating systems
  115. What is the use of pipes
  116. Which command will you use to change the permissions on file
  117. How do you know about running processes of a particular user
  118. How do you find path of a directory
  119. In VI editor how do you execute UNIX commands
  120. What is the use of "test" command in UNIX
  121. How to get a particular string as your prompt? Give syntax of that command
  122. How we will execute previous command in VI editor
  123. Will rm -r* removes hidden files
  124. How to setup Disk space as well as memory in solaris10
  125. What are the functions of zambie process
  126. What do you mean by zambie process
  127. How to setup sudo, only can use for particular date & time
  128. Who to change the duplex setting of network interface in command line
  129. What is the use of the hidden files
  130. How do you create a file in UNIX
  131. How many types of files in UNIX
  132. How will you execute a file in UNIX
  133. What is the difference between Touch & cat command
  134. What is the difference between pipe (|) and tee command in UNIX
  135. Why we are using UNIX OS when we are doing the testing in our application
  136. Explain the difference between all the three FIND, GREP and SED
  137. which command will redirect output to both screen and files at the same time
  138. What command is used to execute system calls from exe
  139. What are Profilers
  140. How to connect oracle database from UNIX
  141. Give two UNIX kernel parameters that effect an Oracle instal
  142. How do you log in to a remote UNIX box
  143. What is a file system
  144. What is the difference between internal and external commands
  145. What is the difference between > and >> operators
  146. How many VI editor modes do you know
  147. What scripting languages do you know
  148. When should we use thread-safe "_r" library calls
  149. What are the Performance differences between User-space and Kernel-supported threads
  150. What are the Architectural differences between User-space and Kernel-supported thread
  151. What are the different kinds of threads
  152. What is Scheduling
  153. What are the main families of threads
  154. What is Critical section
  155. What is Context switch
  156. What is an inode
  157. What does mknod do
  158. What is the difference between init and inetd
  159. How to create hard links and soft links on files
  160. What is the difference between "cron" command and "at" command
  161. Which command is used to stop a running process in UNIX
  162. What is the difference between grep & find
  163. What are default permissions for others in a file
  164. How to put a job in background & bring it to foreground
  165. What is RAID 1+0
  166. How to recover a system whose root password has lost
  167. How to list only the directories inside a directory
  168. What happens when we create a file system
  169. What is a level 0 backup
  170. What is an incremental backup
  171. What steps are required to perform a bare-metal recovery
  172. What are the main differences between Apache 1.x and 2.x
  173. What are the read or write or execute bits on a directory mean
  174. Name key files or directories on a Windows system that should always be backed up
  175. How are devices represented in UNIX
  176. What is a FIFO
  177. What are the mount and unmount system calls
  178. How does the inode map to data block of a file
  179. How do you create special files like named pipes and device files
  180. What about the initial process sequence while the system boots up
  181. What is the difference between Swapping and Paging
  182. What is a Region
  183. What is a Map?
  184. What do you mean by u-area (user area) or u-block
  185. What do you mean by nice value
  186. How to setup display for a remote system
  187. What is Expansion swap
  188. What is Fork swap
  189. How to remove weird filenames
  190. What are the UNIX system calls for I/O
  191. Describe the mount and unmount system calls
  192. What are the processes that are not bothered by the swapper
  193. What do you understand by the term 'de-mountable volumes'
  194. How will u execute a file in UNIX
  195. what is virtual memory
  196. What is mutex
  197. What is FTP
  198. What is paging
  199. What is file system in UNIX
  200. What are different types of shells
  201. What are permissions in UNIX
  202. What is ant_build.sh
  203. What is the main advantage of creating links to a file instead of copies of the file
  204. What is each of the standard files and what are they normally associated with
  205. How to get a particular string as your prompt
  206. What is major difference between the Historic Unix and the new BSD release of Unix
  207. What are the events after a process is being swapped out from main memory
  208. Predict the output of the following program code
  209. Write about fork()
  210. In Unix file permissions what does the second field denotes
  211. From command line how will you add a user account
  212. Name key files or directories on a UNIX system that should always be backed up
  213. In UNIX echo is used for
  214. In UNIX profile contains
  215. What is the interposes command in unix be achieved by
  216. What is the Linking across directories
  217. what is the name OS the first OS and tell me the year when it was discovered fork()
  218. What is very first process created by kernel
  219. What are the files in /etc directory
  220. What is the set-user-id is related to in UNIX
  221. What Max relax able permission value with out giving write permission to others