a:              alias           b:              c:              
cat             cd              chdir           chmod           
cls             commands        copy            cp              
d:              del             dir             dump            
e:              echo            era             erase           
error           exit            f:              fgrep           
g:              h:              hd              history         
i:              j:              ls              md              
mkdir           more            mv              no history      
popd            pushd           pwd             rd              
rm              rmdir           set             tee             
touch           unalias         version         y               

