MS DOS

Mkdir coisa
cd coisas
mkdir publicas
cd publicas
mkdir escola
cd escola
mkdir cef
cd cef
mkdir oi
mkdir oa
cd oi
mkdir turma1
mkdir turma2
cd..
cd..
cd..
cd..
mkdir privadas
cd privadas
mkdir cartas
mkdir segredos
mkdir outras
cd cartas
mkdir amigos
mkdir amor
mkdir outros
cd amigos
mkdir 2009
mkdir 2010
mkdir 2011
cd..
cd..
mkdir segredos
cd segredos
mkdir A
mkdir B
mkdir C
cd A
mkdir X
mkdir Y
cd Y
mkdir X1
mkdir X2
cd..
cd..
cd..
cd..
mkdir santinho