My question: I have a large amount of files on a disk and I have three different methods to move/copy them:
1. using find:
```
find /disk -xdev -type f -iname "*.pdf" -exec cp -ga "{}" /dest \:
```
2. using find print0 and grep -z:
```
find /disk -xdev type f -iname "*" -print0 > ./alllist.txt...