Merge pull request #6270 from mheon/detached_exec

Implement detached exec

docs/source/markdown/podman-container-cleanup.1.md

@@ -16,6 +16,13 @@ Sometimes container's mount points and network stacks can remain if the podman c
 
 Cleanup all containers.
 
+**--exec**=_session_
+
+Clean up an exec session for a single container.
+Can only be specified if a single container is being cleaned up (conflicts with **--all** as such).
+If **--rm** is not specified, temporary files for the exec session will be cleaned up; if it is, the exec session will be removed from the container.
+Conflicts with **--rmi** as the container is not being cleaned up so the image cannot be removed.
+
 **--latest**, **-l**
 Instead of providing the container name or ID, use the last created container. If you use methods other than Podman
 to run containers such as CRI-O, the last started container could be from either of those methods.

docs/source/markdown/podman-exec.1.md

@@ -13,6 +13,10 @@ podman\-exec - Execute a command in a running container
 
 ## OPTIONS
 
+**--detach**
+
+Start the exec session, but do not attach to it. The command will run in the background and the exec session will be automatically removed when it completes. The **podman exec** command will print the ID of the exec session and exit immediately after it starts.
+
 **--detach-keys**=*sequence*
 
 Specify the key sequence for detaching a container. Format is a single character `[a-Z]` or one or more `ctrl-<value>` characters where `<value>` is one of: `a-z`, `@`, `^`, `[`, `,` or `_`. Specifying "" will disable this feature. The default is *ctrl-p,ctrl-q*.