Saved Bookmarks
This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Command ‘cat’ basically does ___ |
| Answer» | |
| 2. |
Which filter can be used to extract a/specific/range of character from the lines of text? |
| Answer» | |
| 3. |
What is the full form of grep? |
| Answer» | |
| 4. |
How can we execute a shell script if execute bit is off for a shell script? |
| Answer» | |
| 5. |
Is it compulsory to have the extension ‘sh’ for a shell script? |
| Answer» | |
| 6. |
Which command can be used to throw/return a value from the function? |
| Answer» | |
| 7. |
What is a here document? |
| Answer» | |
| 8. |
How can we capture commands displayable output in a shell variable? |
| Answer» | |
| 9. |
Which switch can be used in test expression to determine a file as a regular file? |
| Answer» | |
| 10. |
Which command can be used to perform arithmetical computations? |
| Answer» | |
| 11. |
How can we get the execution status of the last executed command? |
| Answer» | |
| 12. |
What is the value returned by a command after its successful execution? |
| Answer» | |
| 13. |
Which shell variable holds the shell script file name? |
| Answer» | |
| 14. |
Which command can be used to delete a shell variable? |
| Answer» | |
| 15. |
How can we retrieve the value of the shell variable? |
| Answer» | |
| 16. |
Which command can be used to alter the file access permissions? |
| Answer» | |
| 17. |
What is a shebang line? |
| Answer» | |
| 18. |
How can you display line numbers in vi editor? |
| Answer» | |
| 19. |
What is yanking w.r.t vi editor? |
| Answer» | |
| 20. |
Which alphabet keys can move the cursor equivalent to arrow keys? |
| Answer» | |
| 21. |
How to open a file in read only mode using vi editor? |
| Answer» | |
| 22. |
What is a process? |
| Answer» | |
| 23. |
Which command can be used to print a document on the line printer typically? |
| Answer» | |
| 24. |
Name the environment variable which can be used to change the primary shell prompt. |
| Answer» | |
| 25. |
What is the meaning of execute permission on a directory? |
| Answer» | |
| 26. |
What is difference between absolute and relative path? |
| Answer» | |
| 27. |
What is the file descriptor which represents the STDIN. |
| Answer» | |
| 28. |
What are the meta-characters which represent to match all and single chracters respectively? |
| Answer» | |
| 29. |
Which command can be used to know about the directory path of a command? |
| Answer» | |
| 30. |
Which command can give the manual of a command? |
| Answer» | |
| 31. |
What does the second column signifies in the output generated by 'who' command? |
| Answer» | |
| 32. |
At which company UNIX is designed first. |
| Answer» | |
| 33. |
Which programming language is used in the design of UNIX OS. |
| Answer» | |
| 34. |
Who designed the UNIX operating system? |
| Answer» | |
| 35. |
What is a hidden file? |
| Answer» | |
| 36. |
With the ls −l listing from first column output which nth character (out of 10) represents file type? |
| Answer» | |
| 37. |
Name 5 variants of linux? |
| Answer» | |
| 38. |
Is UNIX open source? |
| Answer» | |
| 39. |
Name a command which can be used to restart the machine? |
| Answer» | |
| 40. |
Is UNIX/Linux case sensitive from the console terminal end. |
| Answer» | |
| 41. |
Name a command which can be used to shut down the system? |
| Answer» | |
| 42. |
What are the various ways that you can disconnect/logout with the UNIX server from your console terminal? |
| Answer» | |
| 43. |
What is the second column designates in the long listing of ls command’s output? |
| Answer» | |
| 44. |
What is the name of the command to change the password? |
| Answer» | |
| 45. |
Which program is responsible to bring the login prompt? |
| Answer» | |
| 46. |
What is the role of kernel? |
| Answer» | |
| 47. |
What is Sun micro systems UNIX called as? |
| Answer» | |
| 48. |
What is soft link/symbolic link and which command can be used to create one? |
| Answer» | |
| 49. |
Name the commonly used shells on different UNIX/Linux variants. |
| Answer» | |
| 50. |
What is shell? |
| Answer» | |