diff --git a/rust-book/chapter-1/hellow_world/main.rs b/rust-book/chapter-1/hellow_world/main.rs
new file mode 100644
index 0000000..1fc5144
--- /dev/null
+++ b/rust-book/chapter-1/hellow_world/main.rs
@@ -0,0 +1,3 @@
+    fn main() {
+        println!("Hello, world!");
+    }
diff --git a/rust-book/rust-management.txt b/rust-book/rust-management.txt
new file mode 100644
index 0000000..2dfd70e
--- /dev/null
+++ b/rust-book/rust-management.txt
@@ -0,0 +1,58 @@
+Managing rust versions:
+
+https://doc.rust-lang.org/nightly/edition-guide/rust-2018/rustup-for-managing-rust-versions.html
+
+rustup set profile default/nightly - to change profiles
+https://github.com/rust-lang/rustup
+
+rustup toolchain list
+
+rustup toolchain install stable/nightly 
+
+rustup component add rls rust-analysis rust-src
+
+rustup component list | grep installed
+
+rust-analysis rust-src rustfmt-preview rls-preview
+
+
+rust-management.sublime-project
+```
+{
+    "folders":
+    [
+        {
+            "path": "/Users/dtomlinson/projects-rust"
+        },
+        {
+            "path": "/Users/dtomlinson/git-repos"
+        }
+    ],
+    "settings":
+    {
+        "LSP":
+        {
+            "log_debug": true,
+            "log_payloads": false,
+            "log_server": true,
+            "log_stderr": true,
+            "only_show_lsp_completions": false,
+            "rls":
+            {
+                "enabled": true
+            }
+        },
+        "cargo_build":
+        {
+            "defaults":
+            {
+                "toolchain": "nightly"
+            }
+        },
+        "rust_syntax_checking": false
+    }
+}
+```
+
+https://www.reddit.com/r/rust/comments/a40www/sublime_text_3_question/
+