NetEase Cloud Classroom _linux Operating system introduction (embedded development 0 Basic Ⅰ) _ Lesson 8 directory path Concept

Path concept of the directory

Path is the directory pathway through which files are searched

A relative path is the form of a path that is expressed starting at the current working directory

In the form of expression, the path forms that are not expressed as root "/" are relative paths

Example: Deng/deng.txt

For example:./deng/deng.txt

For example:.. /deng/deng.txt

. A point, the current directory

.. Two points, the top level directory of the current directory

Each directory has more than two hidden directories

Absolute path is the form of a path that is expressed starting at the root directory "/"

In the form of expression, all paths that begin with the root directory "/" are absolute paths

Example:/home/deng/deng.txt

NetEase Cloud Classroom _linux Operating system introduction (embedded development 0 Basic Ⅰ) _ Lesson 8 directory path Concept