Linux type command – knowing what will be executed

In Linux, you can check what will run when you execute command.
The first information you need is the type of the command, if it is a built-in shell, alias, or an executable file. The type command gives that information:
type <command>
And it will tell you the command type:

In the example below, we run type against several command:

oren@oren-computer:~/workspace/sass  (master) 
$ type ls
ls is aliased to `ls --color=auto -h'
oren@oren-computer:~/workspace/sass  (master) 
$ type test
test is a shell builtin
oren@oren-computer:~/workspace/sass  (master) 
$ type cp
cp is /bin/cp


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