Debian project today released a pair of security updates to plug at least ten security holes in its core called Linux kernel. Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or privilege escalation. This update has been rated as having important security impact.
Linux file systems have a number of limitations that make them a poor choice for large and high-performance computing environments.
So, How do you find out or see which filesystems are supported by the Linux kernel? The answer is simple. Use /proc/filesystems file. It is the file used to detect filesystems supported by running kernel. You can quickly run grep command or cat command to display the list of all supported file system. nodev indicates that the file system is not associated with a physical device such as /dev/sdb1. If you see ext3 or vfat, it means you will be able to mount ext3 and vfat based file systems.