How to turn on or off colors in bash

The colours in the BASH shell might look on when using the full GUI window environment, but when you remoted in and just using a black puTTY shell, they can make things hard to read.

Here’s how to turn them off,

for a single commnd,

ls --color=none

or all future commands,

unalias ls

via How to turn on or off colors in bash.

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