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I have encountered some strange behavior when navigating through the flash Local Shared Object folders on my computer running OS X version 10.11.5

The behavior is as follows:

  1. Navigate to the base local shared object storage cd ~/Library/Preferences/Macromedia/Flash\ Player/
  2. Navigate through the shared object using the below path cd \#SharedObjects/6MB4PXSB/skype.com/
  3. On this path is another folder named "#ui"

If I change the directory to the #ui folder it takes me back to home folder i.e. it is the equivalent of typing cd ~

Listing the contents of parent folder shows the following:

> ls -latr
total 0
drwxr-xr-x  3 myuser  staff  102 Jun 17 12:07 ..
drwxr-xr-x  3 myuser  staff  102 Jun 17 12:07 .
drwxr-xr-x  3 myuser  staff  102 Jun 17 12:07 #ui

I do not see any symbolic links from #ui to my home folder so I am not sure why this is happening. I have tested this repeatedly and it consistently takes me to my home folder.

My questions are:

  1. Is this a security issue?
  2. Is it safe for me to do an rm -rf #SharedObject given the observed behavior?
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  • I'd open Disk Utility and run First Aid against the drive before doing anything else. See if it finds any problems with the filesystem structures. Jun 23, 2016 at 22:37
  • @AlistairMcMillan thanks for the suggestion. I have already tried that and it finds nothing wrong with the drive.
    – bated
    Jun 24, 2016 at 1:33

1 Answer 1

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# is used by the shell to indicate a comment. So if you type

cd #ui

everything after the # is ignored and you basically just execute cd. To change into the directory, use one of

cd ./#ui
cd \#ui

instead.

The same applies if you want to remove it.

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  • The cynic in me says that adobe used the # on purpose to try to make it difficult to delete the "Shared Object" aka cookies by stealth. Is it just me?
    – bated
    Apr 24, 2017 at 19:13

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