fakeroot: add page (#6562)

pages/linux/fakeroot.md

@@ -0,0 +1,28 @@
+# fakeroot
+
+> Run a command in an environment faking root privileges for file manipulation.
+> More information: <https://manpages.debian.org/latest/fakeroot/fakeroot.1.html>.
+
+- Start the default shell as fakeroot:
+
+`fakeroot`
+
+- Run a command as fakeroot:
+
+`fakeroot -- {{command}} {{command_arguments}}`
+
+- Run a command as fakeroot and save the environment to a file on exit:
+
+`fakeroot -s {{path/to/file}} -- {{command}} {{command_arguments}}`
+
+- Load a fakeroot environment and run a command as fakeroot:
+
+`fakeroot -i {{path/to/file}} -- {{command}} {{command_arguments}}`
+
+- Run a command keeping the real ownership of files instead of pretending they are owned by root:
+
+`fakeroot --unknown-is-real -- {{command}} {{command_arguments}}`
+
+- Display help:
+
+`fakeroot --help`