[rubenv]

The latter one shows your password in the process listing.

[bandie91]

`mount /proc -o hidepid=1` recommended :)

[LetMeLogin]

First one will show how to get it :D

[skywhopper]

… which is not accessible to as many users as the process list is.

[b112]

And can often be passed in bash via a filehandle, without a file.