Linux
Understanding Linux: A Quiz on UNIX Systems
Test your knowledge of Linux and UNIX systems with our engaging quiz! Whether you're a beginner or an expert, this quiz covers a variety of topics related to UNIX-like operating systems.
Challenge yourself with questions such as:
- File permissions and their implications
- Understanding the proc filesystem
- Linking files and their behaviors
1. Solaris is the name of a flavor of UNIX from
A) HP
B) IBM
C) Digital Equipment Corp
D) Sun Microsystems
2. The permission -rwxr–r– represented in octal expression will be
A) 777
B) 666
C) 744
D) 711
3. A user creates a link to a file file1 using the following command “ln file1 file2”. Which of the following is not true?
A) file1 and file2 have the same inode numbers
B) The number of links for file1 is displayed as 1
C) The number of links for file1 is displayed as 2
D) The number of links for file2 is displayed as 2
4. Effective group id can be set using following permission
A) 0777
B) 2666
C) 4744
D) 1711
5. Most files and directories within /proc are 0 bytes in size because
A) proc filesystem exists only as a reflection of the in-memory kernel data structure
B) these files contains very only one or two instructions
C) proc filesystem doesn’t exists only as a reflection
D) none of the mentioned
6. Deleting a soft-link
A) Deletes the destination file
B) Deletes both the softlink and the destination file
C) Deletes just the softlink
D) backup of the destination is automatically created
7. Accessing the file /proc/meminfo gives the different result each time because
A) memory usages is always fluctuating
B) a new process id is assigned
C) logical address is different from the physical address
D) none of the mentioned
8. Lp0 device file is used to access:
A) Floppy
B) Cdrom
C) Printer
D) Tape drive
9. Syntax of any Unix command is:
A) command [options] [arguments].
B) command options [arguments].
C) command [options] [arguments].
D) command options arguments
10. If user tries to remove (rm) a readonly file (444 permission), what will happen?
A) The file is removed successfully (and silently)
B) The rm command prompts for a confirmation, the command is successful upon confirmation
C) The rm command prompts for a confirmation, however the operation fails because of insufficient permissions
D) The rm command fails because of insufficient permissions
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