cp command
Move existing files to the next level directory. You can create a new level directory folder, now move the file to the level directory folder and then cp to the next level directory of the original folder.
Command: cp dir1/a.doc dir2 means to copy the a.doc file under dir1 to the dir2 directory
cp -r dir1 dir2 means to copy dir1 and the files contained in dir1 to dir2
cp -r dir1/. dir2 means to copy the files under dir1 to dir2, excluding the dir1 directory
Description: cp parameter -i: ask, if the target file already exists, it will ask whether to overwrite;
mv command
find /home/dcos/files/20200412/ -name "*.txt" -exec mv {} /home/dcos/text/ \; means to move files ending in txt format in this directory to other directories