5WORKING WITH COMMANDS
Up to this point, we have seen a series of mysterious commands, each with its own options and arguments. In this chapter, we will attempt to remove some of that mystery and even create our own commands. The commands introduced in this chapter are as follows:
type Indicate how a command name is interpreted
which Display which executable program will be executed
help Get help for shell builtins
man Display a command’s manual page
apropos Display a list of appropriate commands
info Display a command’s info entry
whatis Display one-line manual page descriptions
alias Create an alias for a command
What Exactly Are Commands?
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