Update cheatsheets

trawl

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# trawl
+
+> Prints out network interface information to the console, much like ifconfig/ipconfig/ip/ifdata.
+> More information: <https://github.com/robphoenix/trawl>.
+
+- Show column names:
+
+`trawl -n`
+
+- Filter interface names using a case-insensitive regular expression:
+
+`trawl -f wi`
+
+- List available interfaces:
+
+`trawl -i`
+
+- Include the loopback interface:
+
+`trawl -l`