less shell.c &
jobs
jobs
fg %1
q
gcc dup.c -o dup &
jobs
jobs
jobs
find /home -name makefile -fprint makefiles
^Z
less shell.c &
^Z
less pipe.c &
^Z
jobs
bg %1
ls | grep shell.c | xargs cat | grep main
fg %2
q
fg %3
q
jobs
jobs
cd ..
ls
cd maman12
ls
exit