dotnet --info fails on Ubuntu 22.04 with “command not found”

### URL

https://dotnet.microsoft.com/en-us/learn/maui/first-app-tutorial/intro

### Operating system

OS: Kali Linux 2026.2 (x64) Architecture: x64

### More information about your system

dotnet --info

### Description

.NET SDK (reflecting any global.json):
Version: 8.0.100
Commit: abcdef1234

Runtime Environment:
OS Name: Kali
OS Version: 2026.2
OS Platform: Linux
RID: linux-x64
Base Path: /usr/share/dotnet/sdk/8.0.100/

### dotnet --info

Detailing step: কি problem হচ্ছে, কোন step এ error, কী output এসেছে।

Include full error message, command used, and OS environment.