cmatrix:tldr:edf96
cmatrix: Enable asynchronous scrolling.
$ cmatrix -a
try on your machine
The command "cmatrix -a" is a terminal command used to run the 'cmatrix' program with the '-a' flag.
The 'cmatrix' program is a fancy terminal screensaver that displays a simulation of the falling code, similar to the film "The Matrix". It is mainly used for aesthetic purposes and provides a visually appealing effect on the terminal screen.
The '-a' flag, in this case, is an optional argument that stands for 'all'. It sets the 'cmatrix' program to display all characters, including ASCII control characters. By default, only printable ASCII characters are shown.
So, running the command "cmatrix -a" would initiate the 'cmatrix' program on the terminal and display the falling code simulation with all characters, including non-printable ones.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.