alias: replace your lengthy commands with shorter ones

Create an alias, aliases allow a string to be substituted for a word when it is used as the first word of a simple command. Syntax alias [-p] [name[=value] …] unalias [-a] [name … ]Key-p Print the current values-a Remove All aliases If arguments are supplied, an alias is defined for each name whose value is given. If no value is given, `alias’ will print the current value of the alias.Without arguments or with the `-p’ option, alias prints the list of aliases on the standard…