Move pages under tldr, lint run.sh, update docs

tldr/linux/restorecon

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# restorecon
+
+> Restore SELinux security context on files/directories according to persistent rules.
+> See also: `semanage-fcontext`.
+> More information: <https://manned.org/restorecon>.
+
+- View the current security context of a file or directory:
+
+`ls -dlZ {{path/to/file_or_directory}}`
+
+- Restore the security context of a file or directory:
+
+`restorecon {{path/to/file_or_directory}}`
+
+- Restore the security context of a directory recursively, and show all changed labels:
+
+`restorecon -R -v {{path/to/directory}}`
+
+- Restore the security context of a directory recursively, using all available threads, and show progress:
+
+`restorecon -R -T {{0}} -p {{path/to/directory}}`
+
+- Preview the label changes that would happen without applying them:
+
+`restorecon -R -n -v {{path/to/directory}}`