This command will move all files & directories to the parent directory:
find . -maxdepth 1 -exec mv {} .. \;
... it will throw a warning when trying to move the current (.) directory:
mv: cannot move `.' to `../.': Device or resource busy
This command will move all files & directories to the parent directory:
find . -maxdepth 1 -exec mv {} .. \;
... it will throw a warning when trying to move the current (.) directory:
mv: cannot move `.' to `../.': Device or resource busy