diff --git a/bgservice/checker.py b/bgservice/checker.py
new file mode 100644
index 0000000..35d48fc
--- /dev/null
+++ b/bgservice/checker.py
@@ -0,0 +1,17 @@
+import os
+
+
+def shell_check():
+    bash_history = [line.strip() for line in open(os.path.expanduser("~/.bash_history"), 'r')]
+    zsh_history = [line.strip() for line in open(os.path.expanduser("~/.histfile"), 'r')]
+    report = "Suspicios commands found:\n"
+    for i in bash_history + zsh_history:
+        if "git" in i:
+            report += i + "\n"
+    if report != "Suspicios commands found:\n":
+        return report
+    return "Nothing suspicious found in bash or zsh history."
+
+
+def file_check(dir_):
+