Workbook 5: The Linux Filesystem: Chapter 3: Directories and Device Nodes

Question 1

What data is found in a directory file?

Answer 1

directories have the same internal structure
as regular files: 
dentry,
 inode
 data

Question 2

What are the differences between block and character device nodes?

Answer 2

1) Block devices are devices that read and write information a chunk (“block”) at a time.

2 )Character devices are often devices that read and write information as a stream of bytes (“characters”), and there is a natural concept of what it means to read or write the “next”
character.