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Merge pull request #4951 from rpjday/docs/unshare

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markdown: fix grammar/formatting, standardize on markdown
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docs/source/markdown/podman-unshare.1.md
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@ -10,19 +10,19 @@ podman\-unshare - Run a command inside of a modified user namespace
Launches a process (by default, *$SHELL*) in a new user namespace. The user
namespace is configured so that the invoking user's UID and primary GID appear
to be UID 0 and GID 0, respectively. Any ranges which match that user and
group in /etc/subuid and /etc/subgid are also mapped in as themselves with the
group in `/etc/subuid` and `/etc/subgid` are also mapped in as themselves with the
help of the *newuidmap(1)* and *newgidmap(1)* helpers.
podman unshare is useful for troubleshooting unprivileged operations and for
**podman unshare** is useful for troubleshooting unprivileged operations and for
manually clearing storage and other data related to images and containers.
It is also useful if you want to use the `podman mount` command. If an unprivileged users wants to mount and work with a container, then they need to execute
podman unshare. Executing `podman mount` fails for unprivileged users unless the user is running inside a `podman unshare` session.
It is also useful if you want to use the **podman mount** command. If an unprivileged user wants to mount and work with a container, then they need to execute
**podman unshare**. Executing **podman mount** fails for unprivileged users unless the user is running inside a **podman unshare** session.
The unshare session defines two environment variables:
**CONTAINERS_GRAPHROOT** the path to the persistent containers data.
**CONTAINERS_RUNROOT** the path to the volatile containers data.
- **CONTAINERS_GRAPHROOT**: the path to the persistent container's data.
- **CONTAINERS_RUNROOT**: the path to the volatile container's data.
## EXAMPLE