To understand links in a file system, you first have to understand what an inode is. In linux there are two types of links :– Soft/Symbolic Links– Hard Links Hard Links Every file on the Linux filesystem starts with a single hard link.The link is between the filename and the actual data stored on the …
An inode is a unique number assigned to each Linux file and directory in a filesystem (except for hard links), it is used as an index (Index Node). Inodes store metadata (attributes) about the files they refer to (it is like the “file’s identity card” without the name)ANDBecause the data of a file is actually …
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With an ext filesystem 5% of disk space is by default reserved for privileged processes/root user. This allows the system to keep functioning even if non-privileged users fill up all the space available to them.Important tasks and system processes will still be able to work and write to the drive. NEVER set it to 0 …
Read more “Linux Disk Space: ext filesystem reserved blocks”