From 42f4f34d8c4d26d9033c6905f912279237a1a3f3 Mon Sep 17 00:00:00 2001
From: johannst <johannes.stoelp@gmail.com>
Date: Sun, 17 Nov 2019 14:43:01 +0100
Subject: updated README, added r2 notes

---
 README.md       |  5 +++--
 explore-elf.txt |  7 ++++---
 radare2.txt     | 13 +++++++++++++
 3 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 388a65d..fd1d920 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
-# notes
+# cheatsheets & notes
 
-Personal collection of notes.
+This is a personal collection of `cheatsheets` and `notes` I take during
+development as well as machine maintenance.
 
 Vim `:helptags` can be generated by running:
 ```
diff --git a/explore-elf.txt b/explore-elf.txt
index 88c42f0..e22f708 100644
--- a/explore-elf.txt
+++ b/explore-elf.txt
@@ -14,9 +14,10 @@
     -W|--wide     wide output, dont break output at 80 chars
     -h            print ELF header
     -S            print sections headers
-    -l            print program headers
-    -d            print dynamic section
-    -s            print symbol table
+    -l            print program headers + segment mapping
+    -d            print .dynamic section (dynamic link information)
+    -s            print symbol table(s)
+    -r            print relocation table(s)
 
 # objdump(1)                                                           *objdump*
 =============
diff --git a/radare2.txt b/radare2.txt
index 79402d3..1706d77 100644
--- a/radare2.txt
+++ b/radare2.txt
@@ -3,9 +3,22 @@
 
 # toc
 ------
+  |print|
+  |flags|
   |help|
   |relocation|
 
+# print                                                                  *print*
+=======
+  pd <n> [@ <addr>]     # print disassembly for <n> instructions
+                        # with optional temporary seek to <addr>
+
+# flags                                                                  *flags*
+=======
+  fs            # list flag-spaces
+  fs <fs>       # select flag-space <fs>
+  f             # print flags of selected flag-space
+
 # help                                                                    *help*
 =======
   ?*~<kw>       # '?*' list all commands and '~' grep for <kw>
-- 
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