Update cheatsheets

sunos/prctl

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+---
+syntax: markdown
+tags: [tldr, sunos]
+source: https://github.com/tldr-pages/tldr.git
+---
+# prctl
+
+> Get or set the resource controls of running processes, tasks, and projects.
+> More information: <https://www.unix.com/man-page/sunos/1/prctl>.
+
+- Examine process limits and permissions:
+
+`prctl {{pid}}`
+
+- Examine process limits and permissions in machine parsable format:
+
+`prctl -P {{pid}}`
+
+- Get specific limit for a running process:
+
+`prctl -n process.max-file-descriptor {{pid}}`