Fundamentals related to a bash builtin command named “test”

ABOUT test

test provides no output, but returns 0 for "true" (test successful) and 1 for "false" (test failed).

RELATED COMMAND LINE EXPOSURE
[bash]
$num=10; if (test $num -gt 5); then echo "yes"; else echo "no"; fi
yes
$num=1; if (test $num -gt 5); then echo "yes"; else echo "no"; fi
no
$num=5; if (test $num -gt 5); then echo "yes"; else echo "no"; fi
no
$

[/bash]
LINK
https://www.computerhope.com/unix/bash/test.htm