diff --git a/OS/README.md b/OS/README.md
new file mode 100644
index 0000000..3d10fa9
--- /dev/null
+++ b/OS/README.md
@@ -0,0 +1 @@
+自己在整理，不定时更新
\ No newline at end of file
diff --git a/OS/进程状态.pdf b/OS/进程状态.pdf
new file mode 100644
index 0000000..e6deddc
--- /dev/null
+++ b/OS/进程状态.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:130aafb500724a32b34f18e51fcbc9bd714f2b74824f42842290eccea04f957f
+size 57979