Script Corregido

#!/bin/sh/
mkdir /home/DECROLY/ /home/DECROLY/direccion/ /home/DECROLY/profesores/ /home/DECROLY/alumnos/ /home/Decroly/smr1a /home/DECROLY/smr1b
addgroup GDECROLY
addgroup Gdireccion
addgroup Gprofesores
addgroup Galumnos
addgroup Gsmr1a
addgroup Gsmr1b
chgrp Gdireccion
chgrp Gprofesores
chgrp Galumnos
chgrp Gsmr1a
chgrp Gsmr1b
chmod 750 /home/DECROLY/
chmod 750 /home/DECROLY/direccion/
chmod 750 /home/DECROLY/profesores/
chmod 750 /home/DECROLY/alumnos
chmod 750 /home/DECROLY/smr1a
chmod 750 /home/DECROLY/smr1b
y=1
while [$Y -lt 6]
do
adduser director$Y -d /home/DECROLY/director/ -g Gdireccion -ingroup GDECROLY, Gprofesores, Galumnos, Gsmr1a, Gsmr1b
y=$ (expr$y+1)
done
adduser profesor$4 -d /home/DECROLY/profesores -g Gprofesor -ingroup GDECROLY, Galumnos, Gsmr1a, Gsmr1b
y=1
while [$y -lt 21]
do
adduser smr1a$y -g Gsmr1a -ingroup /home/DECROLY/alumnos/smr1a/ -g GDECROLY, Galumnos, Gsmr1a, Gsmr1b

adduser smr1a$y -g Gsmr1b -ingroup /home/DECROLY/alumnos/smr1b/ -g GDECROLY, Galumnos, Gsmr1a, Gsmr1b

y=$(expr$y+1)
done