.txt file shows contents of directory and sub-directories and all of their files and directory permissions

Question

Im trying to learn linux but Im stuck on one task.

Create single file called outputa.txt which shows information:

contents of directory and sub-directories and all of their files and directory permissions

I upload my directory structure

Answer 1

With tree :

tree -p > outputa.txt

Example:

$ tree -p > outputa.txt
$ cat outputa.txt
.
├── [drwxr-xr-x]  directorya
│   └── [drwxr-xr-x]  directoryb
│       └── [-rw-r--r--]  file1.txt
└── [-rw-r--r--]  outputa.txt

2 directories, 2 files