File System and Permissions

Assess understanding of Linux directories,files,and permission models.

1. What does the 'x' permission represent in Unix-like file systems?
2. Which of the following are common Unix-like file systems?
3. In Unix, the root user has unrestricted access to all files and directories.
4. What command is used to change the owner of a file in Unix-like systems?
5. Which octal digit represents read access for the group in Unix file permissions?
6. Which of the following are standard file types in Unix systems?
7. A soft link (symbolic link) points directly to the inode of the target file.
8. What does the acronym 'NTFS' stand for?
9. In the permission string '-rw-r--r--', what permissions does the owner have?
10. Which commands can display file permissions in Unix-like systems?
11. The 'chmod' command can change the owner or group of a file.
12. What is the octal value of the 'rwx' permission set?
13. Which file system is most commonly used for removable USB drives?
14. Which statements about hard links are true?
15. The execute permission is required to change into a directory using 'cd'.
16. What is the default file system used in most modern Linux distributions?
17. In octal permission notation (e.g., 755), which digit represents 'others' permissions?
18. Which permission combinations allow a user to edit (write to) a file?
19. A file with permission '000' (no read/write/execute for anyone) can be read by the root user.
20. What command is used to create a symbolic link in Unix-like systems?
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