A developer has created a file system in Oracle Cloud Infrastructure (OCI) File Storage service. She launches an Oracle Linux compute instance and successfully mounts the file system from the instance. She then tries writing to the file system from the compute instance using the following command: touch /mnt/yourmountpoint/helloworld But gets an error message: touch: cannot touch `˜/mnt/yourmountpoint/helloworrld`: Permission denied Which is a reason for this error? (Choose the best answer.) 

Answer options:

A. ˜touch` command is not available in Oracle Linux by default.
B. Service limits or quota for file system writes have been breached.
C. User is not part of any OCI Identity and Access Management group with write permissions to File Storage service.
D. User is connecting as the default Oracle Linux user ˜opc` instead of ˜root` user.

C

Reference: https://itectec.com/unixlinux/touch-cannot-touch-test-permission-denied/