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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the login name of the administrator? |
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| 2. |
What is the default working directory of administrator? |
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| 3. |
In which directory by default user home directories are created? |
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| 4. |
Name three looping constructs provided by shell. |
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| 5. |
How can you display nth line of a file? |
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| 6. |
Who designed linux OS? |
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| 7. |
Expand JFS in context of file system? |
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| 8. |
Expand UFS in context of file system? |
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| 9. |
What is the default value of UMASK? |
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| 10. |
What is UMASK? |
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| 11. |
Which command can be used to write onto other currently logged in user’s console output terminal. |
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| 12. |
Which command can be used by the administrator to bring the system into single user mode? |
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| 13. |
What is an internal command? |
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| 14. |
Which command can be used to know the terminal type? |
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| 15. |
How can we list out all currently executing background processes? |
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| 16. |
Which operator can be used to throw a process into background? |
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| 17. |
What are the respective octal value for the permission bits r, w & x? |
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| 18. |
Which command can be used to rename a file/directory? |
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| 19. |
Which command can be used to change file access permission bits? |
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| 20. |
Which command can be used to execute a command/s repeatedly for the given schedule? |
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| 21. |
What is inode? |
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| 22. |
How are devices represented in UNIX/Linux? |
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| 23. |
Explain the purpose of nohup command. |
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| 24. |
How can you count for a particular pattern occurrences in a file? |
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| 25. |
Which command can be used to display basic information about your server? |
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| 26. |
How can you list all the directories using ls command? |
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| 27. |
What is the recommended size of swap space for a typical OS installation? |
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| 28. |
What is LILO w.r.t linux? |
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| 29. |
If you are not logged in and the scheduled command produces a displayable output, how would you see it? |
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| 30. |
What is the purpose of ‘at’ command? |
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| 31. |
Which command you can use to find the remaining disk free space? |
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| 32. |
How can you list hidden files too with ls command? |
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| 33. |
Which is the environment variable which holds your home directory information? |
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| 34. |
What is a mount point? |
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| 35. |
What is the effect of ‘cd ..’ if your current working directory is root (/) ? |
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| 36. |
How can we redirect the output of one command to the another command? |
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| 37. |
Distinguish between cmp and diff commands? |
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| 38. |
How can you suppress trailing new line for echo command? |
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| 39. |
Which command can be used to create alternate name for an existing command? |
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| 40. |
What is the role of book block? |
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| 41. |
Are arrays supported in shell scripts? |
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| 42. |
What is a zombie process? |
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| 43. |
Explain the use of SUID permission bit on a file. |
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| 44. |
What is the first operating system designed using a high level programming language? |
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| 45. |
Which filter can be used to display first 10 lines of a file? |
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| 46. |
What is the basic purpose of ‘find’ command? |
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| 47. |
Which command can be used to stop the current executing process in the background? |
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| 48. |
Command ‘telnet’ is used for ___ |
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| 49. |
Which is the command used to create a new user on the system? |
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| 50. |
What is a process id? |
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