Update cheatsheets

radare2

@@ -0,0 +1,33 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# radare2
+
+> A set of reverse engineering tools.
+> More information: <https://www.radare.org/r/docs.html>.
+
+- Open a file in write mode without parsing the file format headers:
+
+`radare2 -nw {{path/to/binary}}`
+
+- Debug a program:
+
+`radare2 -d {{path/to/binary}}`
+
+- Run a script before entering the interactive CLI:
+
+`radare2 -i {{path/to/script.r2}} {{path/to/binary}}`
+
+- Display help text for any command in the interactive CLI:
+
+`> {{radare2_command}}?`
+
+- Run a shell command from the interactive CLI:
+
+`> !{{shell_command}}`
+
+- Dump raw bytes of current block to a file:
+
+`> pr > {{path/to/file.bin}}`