To understand why Linux has become so popular, it is helpful to know a little bit about its history. The first version of UNIX was originally developed several decades ago and was used primarily as a research operating system in universities.
Usage Note: Disabled is the clear preference in contemporary American English for referring to people having either physical or mental impairments, with the impairments themselves preferably termed disabilities.
Disabled means can't do something.   Such as someone that can't walk.   they have a disability then.   It means there is a substantial impairment to the individual's â¦ daily life functions.It is important to know that just because someone has a certain ailment means they have a disability.For example if a person is missing a leg, it doesn't necessarily mean he's handicapped. It means there is a substantial impairment to the individual's â¦ daily life functions. It is important to know that just because someone has a certain ailment means they have a disability. For example if a person is missing a leg, it doesn't necessarily mean he's handicapped.