diff --git a/docs/sources/userguide/dockervolumes.md b/docs/sources/userguide/dockervolumes.md index cf504e3343..02efbf7c1f 100644 --- a/docs/sources/userguide/dockervolumes.md +++ b/docs/sources/userguide/dockervolumes.md @@ -73,18 +73,18 @@ option to specify that the mount should be read-only. ### Mount a Host File as a Data Volume -As well as directories, the `-v` flag can be used to mount a single file from -the host into a container. +The `-v` flag can also be used to mount a single file - instead of *just* +directories - from the host machine. $ sudo docker run --rm -it -v ~/.bash_history:/.bash_history ubuntu /bin/bash This will drop you into a bash shell in a new container, you will have your bash -history from your host and when you exit the container, the host will have the +history from the host and when you exit the container, the host will have the history of the commands typed while in the container. > **Note:** > Many tools used to edit files including `vi` and `sed --in-place` may result -> in an inode change. Since docker v1.1.0 this will produce an error such as +> in an inode change. Since Docker v1.1.0, this will produce an error such as > "*sed: cannot rename ./sedKdJ9Dy: Device or resource busy*". In the case where > you want to edit the mounted file, it is often easiest to instead mount the > parent directory.