1. File type:
Query all files in the bin directory:
-: file
Beginning: soft link
d Start: Directory file
2. File permissions:
r: read permission
w: write
x: execute
3. View directory information:
p>
(1) View the information of the directory itself:
(2) View the file information in the directory:
4. Query directory:
ls:
ls -a (show hidden files)
ls -l(ll) displays the detailed information of each file:
ls -lh