Ok..now its up to you guys. I couldnt find any answer on google that could help me..
SSH : is that only like a dos or batch command line (simply script language) , to go with?
I see often the "$" sign , for what does it stand for?

Do you know RDP Remote Desktop?
Really simplified answer is SSH is the same for shell access.

Remote access to machines but only via shell (bash,zsh...)

SSH stands for a network protocol as well as for the client programs for it's use. Do you mean the dollar sign that appears after you login into a shell session? That's normally only a marker to show you where to input your commands.

@Makenshi @mak420 thank you guys for that quick answer that was what i want to hear ..so simple i guess..

@killermenpl so its like remote in a more complex way?

@jakobev ssh stand for secure shell. It's one of the ways to access linux servers

Yeah understood that. Can i access my windows laptop with ssh for android?

@killermenpl so why use telnet if it's unencrypted?

@jakobev ssh is not for windows.. it's a Linux thing.

@ScribeOfGoD ah fuck ok thx

Doesn't windows 10 now has a shell which accepts the usual Unix commands? I think that you have to manually enable it but it should be there.
Also you can download the git bash for windows. It also allowes you to do a lot of things with Unix commands. Not sure what it's limits are though

@hasu you still can't control windows through ssh like you can linux though

@ScribeOfGoD hrm. Ok. Name me an example pls :D

@hasu yes it's called Bash on Ubuntu and you can enable it in features.

@hasu there isn't anything that can do on Windows that ssh can do on Linux. Even powershell has its limitations. Windows is based around having and using a GUI