Multiple choice technology operating systems if [ -s $AXA_BA_ENVPATH/$1/* ] -s stands for None of the above Both 3 and 4 checks for the existence of the directories checks for the existence of the files Reveal answer Fill a bubble to check yourself D Correct answer Explanation In shell scripting, -s checks if a file exists and has a size greater than zero. It tests for non-empty files. The pattern checking $AXA_BA_ENVPATH/$1/* suggests checking for files within that directory path.