How centos mount U disk and CD-ROM?

Mount U disk: https://www.cnblogs.com/jizhong/p/9410659.html

Mount the CD:
/ dev / SR0 is a CD-ROM device name, / dev / cdrom represents the CD-ROM
1. Suggest a mount point (preferably an empty directory): mkdir / mnt / crdom /

2. mount the CD: mount / dev / sr0 / mnt / crdom /

3, the uninstall command (after the completion of the disc mount need to uninstall): umount / mnt / cdrom