#-profile.iiita.ac.in--  - Sat Feb  2 03:07:25 IST 2019 (/dev/pts/1) rkala 172.19.12.225----
ls
cd portal
ls
cd codes
ls
ls -h
ls -l
cd ..
ls -l
cd codes
ls
mkdir kk
ls
rmdir
rmdir kk
ls
chmod *
chmod * +x
chmod * +x
chmod /* +x
exit