DOS ===== LINUX

dir/w ========== ls -l aka ll
dir/p =========== ls -l|more
ls -l|less
dir/s ========= ls -R recursive
cls ========= clear
type ========= cat
cd ========= pwd
md ========= mkdir
rd ========= rmdir If empty
del ========= rm, -f
move/ren ======= mv
copy ========= cp
xcopy ========= cp -a
deltree ========= rm -fr