Cannot remove Mounted File System. Tried rm -rf <dir.path> and get below result.
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"rm -rf" does not unmount a filesystem - it removes files and directories.
However it can NOT remove "read only" files. The fact your message says you have filesystems rather than just files means you have to unmount those filesystems before removing the files in the directory.
If in fact you want to remove all the files/directories then you FIRST need to unmount the filesystems then do the rm.
The question is WHY are you trying to remove all files?
Also if you are in fact removing the files and do the unmount you need to be sure you get rid of the mounts in /etc/fstab (or automounter) if you're mounting that way so they don't attempt to remount on reboot.
THis is the ISO image of Application I installed and now I wanted to remove it. The ISO was extracted to /tmp/commvault....
SO am trying to remove this to free space using rm -rf /tmp/commvaultinstall/.
Here is the result of mount command
unmount gives error
nfsd on /proc/fs/nfsd type nfsd (rw)
/tmp/Disk 3.iso on /tmp/commvaultinstall type iso9660 (rw,loop=/dev/loop0)
-bash: unmount: command not found