Minimalist Linux learning tutorial-ls command (view hidden files and folders)

1. View files and folders that are not hidden in the current directory.
The command is as follows:

ls

2. View all files in the current directory (including hidden files or hidden folders).
The command is as follows:

ls -a

3. View the detailed information of files and folders that are not hidden in the current directory .
The command is as follows:

ls -l

or

ll

4. View all files and folders in the current directory (including detailed information such as hidden. And …).
The command is as follows:

ls -al