A system administrator is trying to find out what filesystems are mounted on a Linux system. Which of the following commands can be used to do this?0.5 Marksdfmountlsblkfdisk -lClear

The command "df", "mount", and "lsblk" can be used to find out what filesystems are mounted on a Linux system.

1. "df": This command stands for "disk filesystem". It is used to display the amount of disk space used and available on Linux file systems.

2. "mount": This command is used to mount file systems in Unix/Linux. When used without any arguments, it will display all the file systems that are currently mounted in your system.

3. "lsblk": This command lists out all the storage blocks, which includes disk partitions and optical drives. This can be used to view how the partitions are mounted on your system.

The "fdisk -l" command is used to display the disk partitions in Linux, but it does not show whether a partition is mounted or not.