dmd: failed to launch executable

[Rinzler via Digitalmars-d]

On Saturday, 19 September 2015 at 15:32:33 UTC, Laeeth Isharc 
wrote:
> On Saturday, 19 September 2015 at 10:21:30 UTC, Rinzler wrote:
>> On Saturday, 19 September 2015 at 10:17:21 UTC, Jacob Carlborg 
>> wrote:
>>> On 2015-09-19 12:05, Rinzler wrote:
>>>>> what does "which dmd" give you?
>>>>
>>>> Nothing...
>>>
>>> And "type dmd | head -n 1"? If that gives you some kind of 
>>> path, what does then "file <path>" print?
>>
>> I don't even have a tool called "type"? Should I install it 
>> just for testing this?
>
> He means type ie enter the following line in the console:
>
> dmd | head -n 1

It gives me: -bash: dmd: command not found

Now, suddenly and mysteriously, if I type

dmd,

I get

-bash: dmd: command not found .

Really strange...