How to store a command in a variable in a shell script?

Question

I would like to store a command to use at a later period in a variable (not the output of the command, but the command itself)

I have a simple script as follows:

Answer 1

Be Careful registering an order with the: X=$(Command)

This one is still executed Even before being called. To check and confirm this, you cand do:

echo test;
X=$(for ((c=0; c<=5; c++)); do
sleep 2;
done);
echo note the 5 seconds elapsed