RHCSA: File Systems and Device Management Questions and Answers Graded A+

RHCSA: File Systems and Device Management Questions and Answers Graded A+ What is a file system? A file system is a method and data structure that the operating system uses to manage files on a disk or partition, determining how data is stored and retrieved. What command is used to view disk partitions in Linux? The command used to view disk partitions in Linux is `lsblk`. What does the `df` command do? The `df` command displays the amount of disk space used and available on file systems. How can you check the file system type of a partition? You can check the file system type of a partition using the `blkid` command or by inspecting the `/etc/fstab` file. What is the purpose of the `/etc/fstab` file? 2 The `/etc/fstab` file is used to define how disk partitions, file systems, and other storage devices are mounted in the Linux file system. What command is used to mount a file system? The command used to mount a file system is `mount`. What is the difference between hard links and symbolic links? Hard links point to the same inode as the original file, while symbolic links are pointers to the file name and can link to files or directories across file systems. What is the command to create a symbolic link? The command to create a symbolic link is `ln -s <target> <link_name>`. What does the `mount` command do? The `mount` command attaches a file system to a specified directory in the file hierarchy, allowing access to the files on that file system. How do you unmount a file system? 3 You unmount a file system using the `umount <mount_point>` command. What is the purpose of the `fsck` command? The `fsck` command is used to check and repair inconsistencies in file systems. What does the command `mkfs` do? The `mkfs` command is used to create a file system on a partition or storage device. What is the significance of inodes in a file system? Inodes store metadata about files, such as ownership, permissions, and the location of the file's data blocks on the disk. How can you check the available space on a file system?