I have a big issue.
I type this command in Terminal app
bless --folder /Volumes/Applicaitons --openfolder /Volumes/DIRECTORY
After that, all app in Applications disappear. I don't why how to backup all.
Please help me.
Wow. That looks like a potentially massive mess you've made. Hopefully you haven't attempted to reboot your machine.
bless --folder /System --openfolder /
and that should reset your blessed folder.
If the Applications folder stays invisible, you can make it visible via:
SetFile -a v /Applications
(by the way, is "
/Volumes/Applications -- the name you typed in a panic up in your question -- a valid hard drive volume?? or did you mean "