ubuntu manual

1. Delete folder

1. Delete an empty folder

    rmdir foldername

2. Delete a folder with files inside (most common)
    
   rm -r foldername

3. Force delete (dangerous – no confirmation!)

    rm -rf foldername


Check before deleting

ls -l /path/to/folder

2. Copy a file

1. Copy a file

cp sourcefile destination

cp /home/abc/test.txt /opt/workspace/


2. Copy multiple files

cp file1 file2 file3 /path/to/dest/

3. Copy a folder (recursive)

cp -r sourcefolder destination

4. Force overwrite (no prompt)

cp -rf source destination

授权

sudo mkdir -p /opt/openerp
sudo chown -R $USER:$USER /opt/openerp
sudo chmod -R 777 /opt/openerp