LFCS Question #696: Real Exam Question with Answer & Explanation

The correct answer is A: cat /proc/self/mounts. To display all currently mounted filesystems, one can use the mount command without arguments or examine the /proc/self/mounts file.

Submitted by eva_at· Apr 18, 2026Storage Management

Question

In order to display all currently mounted filesystems, which of the following commands could be used? (Choose TWO correct answers.)

Options

Acat /proc/self/mounts
Bfree
Cmount
Dlsmounts
Ecat /proc/filesystems

Explanation

To display all currently mounted filesystems, one can use the mount command without arguments or examine the /proc/self/mounts file.

Common mistakes.

B. The free command provides information about free and used memory, swap space, and kernel buffers, not about mounted filesystems.
D. lsmounts is not a standard Linux command for listing mounted filesystems; typical commands for this purpose are mount, findmnt, or reading /proc/mounts.
E. cat /proc/filesystems lists the filesystem types supported by the kernel, such as ext4, xfs, or fat, rather than the currently mounted instances of filesystems.

Concept tested. Listing active mounted filesystems

Reference. https://man7.org/linux/man-pages/man8/mount.8.html

Topics

#Filesystems#Mounting#System Information#mount command

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