diff --git a/.DS_Store b/.DS_Store
index 8b075e4de487e87a0acce4b54cad4b3576c313c6..984bf609f731ea5c862df5fcc13ab0519ba1797e 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/ds-input.txt b/ds-input.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7e60812107f0a73f21f07eb140d015a02b65ca21
--- /dev/null
+++ b/ds-input.txt
@@ -0,0 +1 @@
+尽量详细介绍一下程序员常用的shell脚本知识点和常规操作
\ No newline at end of file