At times when writing a bash script you want to want to save the output of a command to a variable, in such case, you can use the following syntax.
Example 1: $() Syntax:
#!/bin/bash
whoami_variable=$(whoami)
echo $whoami_variable
Example 2: `` Syntax:
#!/bin/bash
whoami_variable=`whoami`
echo $whoami_variable-
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