Below Question is very useful for Interviews,if you know the Answer mention in comment with question and number.
1. What is a Linux ?
2. What is a Linux Distribution ?
3. why Linux is Secured ?
4. How BIOS Works ?
5. Location of MBR ?
6. What is a Link and types of Links in Linux ?
7. what is the use of ls command ?
8. How to check which run level are running the system ?
9. what is the use of init3 ?
10. why X11 ?
11. how to set default run level, why run level 4 is unused and still there ?
12. what is N in run level ?
13. what is the use of Swap space,if Swap space not given what happen ?
14. What is the use of Journaling ?
15. what is the difference between / and /root ?
16. How Daemon Process Works ?
17. How to Delete the file inside the sub directories ?
18. How to create user in linux ?
19. Which command not shown in MAN (help)?
Ans: $Man tracert
20. Swap space is compulsary in partition or not ?
21. Difference between whoami and who am i ?
22. Difference Between Locate and Slocate ?
23. Difference Between grep and AWK ?
24. Defference Between Hard and Soft link ?
25. What is the use of Nice and Renice ?
26. Which process Start the after the file system
Ans : INIT
27. Explain TOP Command,columns and rows ?
28. How to Check Top 10 users are using system usage ?
29.How to Kill particular user ?
30. What is the use of Fstab and fsck ?
31. How to check the access time,modify time of the file ?
Ans: stat filename
32. How to Check Userid and Group ID of the user ?
Ans: $cat /etc/login.defs
33. How to check the which bit or using like 32 or 64bit ?
ans: $getconf LONG_BIT
34. How to create a user Manual in Linux ?
Ans : Update the user information
/etc/passwd
/etc/shadow
/etc/group
/etc/skel
35. Default Permission of the Directory in Root and Normal User?
Ans : Root : 755 ( umask :022 )
Normal User : 775 ( Umask : 002 )
36. Default Permission of the File in root and Normal User ?
Ans: Root : 644 ( umask :022 )
Normal User : 664 ( Umask : 002 )
1. What is a Linux ?
2. What is a Linux Distribution ?
3. why Linux is Secured ?
4. How BIOS Works ?
5. Location of MBR ?
6. What is a Link and types of Links in Linux ?
7. what is the use of ls command ?
8. How to check which run level are running the system ?
9. what is the use of init3 ?
10. why X11 ?
11. how to set default run level, why run level 4 is unused and still there ?
12. what is N in run level ?
13. what is the use of Swap space,if Swap space not given what happen ?
14. What is the use of Journaling ?
15. what is the difference between / and /root ?
16. How Daemon Process Works ?
17. How to Delete the file inside the sub directories ?
18. How to create user in linux ?
19. Which command not shown in MAN (help)?
Ans: $Man tracert
20. Swap space is compulsary in partition or not ?
21. Difference between whoami and who am i ?
22. Difference Between Locate and Slocate ?
23. Difference Between grep and AWK ?
24. Defference Between Hard and Soft link ?
25. What is the use of Nice and Renice ?
26. Which process Start the after the file system
Ans : INIT
27. Explain TOP Command,columns and rows ?
28. How to Check Top 10 users are using system usage ?
29.How to Kill particular user ?
30. What is the use of Fstab and fsck ?
31. How to check the access time,modify time of the file ?
Ans: stat filename
32. How to Check Userid and Group ID of the user ?
Ans: $cat /etc/login.defs
33. How to check the which bit or using like 32 or 64bit ?
ans: $getconf LONG_BIT
34. How to create a user Manual in Linux ?
Ans : Update the user information
/etc/passwd
/etc/shadow
/etc/group
/etc/skel
35. Default Permission of the Directory in Root and Normal User?
Ans : Root : 755 ( umask :022 )
Normal User : 775 ( Umask : 002 )
36. Default Permission of the File in root and Normal User ?
Ans: Root : 644 ( umask :022 )
Normal User : 664 ( Umask : 002 )
37. What is a Sticky Bit ?
38. How to Check hostname and Ip Address ?
39. How to change the Ip Address ?
40. What is the use of this Commands Netstat,vmstat,iostat,sar ?
41. Difference Between RPM and YUM ?
42. How to to Send the file from one system to another system ?
43. What is the use of SSH and Ping ?
44. What is the use of Crontab ?
45. How to Check free and used space in system ?
46. What is the use of Samba ?