[Vala] ssh and system programs

["Arley Consuegra Rosello" <aconsuegra estudiantes uci cu>]

Hello I'm beging with Vala and want to know how to run aplications of the system with Vala.
Example:
In c++ I could use system ("some thing ") or exec , etc.
 
I want too, read a file using ssh.
Tthere are some library to do that?
 
pd:I don't write very well in English sorry.
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