Linux relative paths absolute paths and special path characters

1. Relative path absolute path

(1) Absolute path: Starting from the root directory of , it is a way of describing the path. The path description starts with /.

cd /home/zww/Desktop

(2) Relative path: Starting from the current directory , it is a way of describing the path. The path description does not need to start with /.

cd Desktop

2.Special path characters

Special path characters:

>  .表示当前目录，比如 cd ./Desktop 表示切换到当前目录下的Desktop目录内，和cd Desktop效果一致
>  ..表示上一级目录，比如:cd ..即可切换到上一级目录，cd ../.. 切换到上二级的目录
>  ~表示HOME目录，比: cd ~即可切换到HOME目录,或cd ~/Desktop,切换到HOME内的Desktop目录