this command instructs the shell to replace on string with another sring.
$ alias -p cd= 'cd name'
create a temperory clear command
$ alias c='clear'
list all the currently set commands
$ alias
displays the al the alias commands
$ alias -p
unalias command is used remove temperory commands c=clear
$ unalias c
removes all alias commands
$ unalias -a
adding m as the commad for more
alias m=more
add shortcuts to the commands
$ cat >commands
alias c=clear
alias m=more
add shortcuts to the commands
$ cat >commands
alias c=clear
alias m=more
mv is used instead of move
alias mv=move