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

tldr/linux/paccache

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# paccache
+
+> A `pacman` cache cleaning utility.
+> More information: <https://manned.org/paccache>.
+
+- Remove all but the 3 most recent package versions from the `pacman` cache:
+
+`paccache -r`
+
+- Set the number of package versions to keep:
+
+`paccache -rk {{num_versions}}`
+
+- Perform a dry-run and show the number of candidate packages for deletion:
+
+`paccache -d`
+
+- Move candidate packages to a directory instead of deleting them:
+
+`paccache -m {{path/to/directory}}`