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

tldr/linux/atop

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# atop
+
+> Linux system and process monitor.
+> More information: <https://manned.org/atop>.
+
+- Start:
+
+`atop`
+
+- Start and display memory consumption for each process:
+
+`atop -m`
+
+- Start and display disk information:
+
+`atop -d`
+
+- Start and display background process information:
+
+`atop -c`
+
+- Start and display thread-specific resource utilization information:
+
+`atop -y`
+
+- Start and display the number of processes for each user:
+
+`atop -au`
+
+- Display help about interactive commands:
+
+`?`