Please select the commands that will error and provide a reason why, thank you, I will upvote!

1. ( 10 points) *nix Shell and File System. The following shows the path and the files under the current directory: /workspace/exams/exam1/ \$ pwd /home/ubuntu/workspace/exams/exam1 /workspace/exams/exam1/ \$ ls -altr total 8 drwx-..-. 3 ubuntu ubuntu 4096 Feb 1014:12/ -rw-...-.- 1 ubuntu ubuntu 0 Feb 10 14:34 exam1File1.c -rw-....-. 1 ubuntu ubuntu 0 Feb 1014:34 exam1File2.c -rw-..-.- 1 ubuntu ubuntu 0 Feb 10 14:34 exam1.txt drwx-..-- 2 ubuntu ubuntu 4096 Feb 1014:34./ /workspace/exams/exam1/ \$ Which of the following commands will cause an error, if run these commands under the current directory? And why