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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, *$SHELL*) in a new user namespace. The user Launches a process (by default, *$SHELL*) in a new user namespace. The user
namespace is configured so that the invoking user's UID and primary GID appear 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 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. 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. 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 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. **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: The unshare session defines two environment variables:
**CONTAINERS_GRAPHROOT** the path to the persistent containers data. - **CONTAINERS_GRAPHROOT**: the path to the persistent container's data.
**CONTAINERS_RUNROOT** the path to the volatile containers data. - **CONTAINERS_RUNROOT**: the path to the volatile container's data.
## EXAMPLE ## EXAMPLE