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

tldr/linux/extrace

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# extrace
+
+> Trace exec() calls.
+> More information: <https://github.com/chneukirchen/extrace>.
+
+- Trace all program executions occurring on the system:
+
+`sudo extrace`
+
+- Run a command and only trace descendants of this command:
+
+`sudo extrace {{command}}`
+
+- Print the current working directory of each process:
+
+`sudo extrace -d`
+
+- Resolve the full path of each executable:
+
+`sudo extrace -l`
+
+- Display the user running each process:
+
+`sudo extrace -u`