Windows Subsystem for Linux (WSL) allows users to run a Linux terminal environment, install packages from the Ubuntu archive, and run Linux applications and workflows on Windows 10.

Ref:

WSL in ubuntu wiki

issue 1: chmod WSL (Bash) doesn’t work

To fix this, you need to edit /etc/wsl.conf. and put below config in.

[automount]
enabled = true
options = "metadata"

Ref:

Automatically Configuring WSL

Chmod/Chown WSL Improvements