rm

Create directory for example ‘newdir’
- Create on current working directory
```
mkdir newdir
```
  This will create directory in your current location.
- Create directory in specific location. For example, /home
```
mkdir /home/newdir
```
- Create directory in root
```
mkdir ~/newdir
```
- Create directory into parent directory
```
mkdir -p /newdir
```
Remove (delete) directory for example olddir
- Delete an empty directory
```
rmdir olddir
```
- Delete both empty and non-empty directories.
  - To delete an empty directory, use the -d option.
```
rm -d olddir
```
  - To delete a non-empty directory, use the -r option.
```
rm -r olddir
```
- Remove write-protected directory. Use the -f option
```
rm -rf olddir
```
- To remove multiple directories at once
```
rm -r olddir1 olddir2 olddir3
```
- If the directory contains lot of files, use -I option which will prompt only once before proceeding with the deletion.
```
rm -rI olddir
```
- Remove directories with find command
```
find
```
Rename directory
```
mv /olddir /newdir
```
Copy Directory copy vmail to home
```
cp -R /var/vmail /home
```
Directory or file permission [Follow this]