Simple shell 1.0.5 alias

[edward0rtiz]

• Implement the alias builtin command

• Usage: alias [name[='value'] ...]

• alias: Prints a list of all aliases, one per line, in the form name='value'

• alias name [name2 ...]: Prints the aliases name, name2, etc 1 per line, in the form name='value'

• alias name='value' [...]: Defines an alias for each name whose value is given. If name is already an

• alias, replaces its value with value