diff --git a/scsh/pps/interfaces.scm b/scsh/pps/interfaces.scm
new file mode 100644
index 0000000..c0e35c1
--- /dev/null
+++ b/scsh/pps/interfaces.scm
@@ -0,0 +1,17 @@
+(define-interface pps-interface
+  (export  pps
+	   
+	   process-recrod?
+	   process-info-pid
+	   process-info-ppid
+	   process-info-logname
+	   process-info-real-uid
+	   process-info-effective-uid
+	   process-info-saved-set-uid
+	   process-info-real-gid
+	   process-info-effective-gid
+	   process-info-saved-set-gid  
+	   process-info-time
+	   process-info-tty
+	   process-info-executable
+	   process-info-command-line))
\ No newline at end of file
diff --git a/scsh/pps/packages.scm b/scsh/pps/packages.scm
new file mode 100644
index 0000000..6658f2d
--- /dev/null
+++ b/scsh/pps/packages.scm
@@ -0,0 +1,5 @@
+(define-structure pps pps-interface
+  (open scheme-with-scsh
+	(subset srfi-1 (drop take))
+	define-record-types)
+  (files pps))
\ No newline at end of file