Added meaningful page for apparently broken content

SC2023.md

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-The shell may override 'time' as seen in man time(1). Use 'command time ..' for that one.
+## The shell may override `time` as seen in man time(1). Use `command time ..` for that one.
+
+### Problematic code:
+
+```sh
+time -some some
+```
+
+### Correct code:
+
+```sh
+command time -some some
+```
+
+### Rationale:
+
+`time` is a built-in command.
+If you would like to use `time` from `$PATH`, you need to use `command` to execute it as a regular command.
+
+### Exceptions:
+
+None