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

tldr/linux/lchage

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# lchage
+
+> Display or change user password policy.
+> More information: <https://manned.org/lchage>.
+
+- Disable password expiration for the user:
+
+`sudo lchage --date -1 {{username}}`
+
+- Display the password policy for the user:
+
+`sudo lchage --list {{username}}`
+
+- Require password change for the user a certain number of days after the last password change:
+
+`sudo lchage --maxdays {{number_of_days}} {{username}}`
+
+- Start warning the user a certain number of days before the password expires:
+
+`sudo lchage --warndays {{number_of_days}} {{username}}`