diff --git a/README.md b/README.md
index d409b25..9a30396 100644
--- a/README.md
+++ b/README.md
@@ -71,6 +71,7 @@ Atto is based on the public domain code of Anthony Howe's editor (commonly known
     C-W   Kill Region (Cut)
     C-X   CTRL-X command prefix
     C-Y   Yank (Paste)
+    C-Y   Suspend the Atto process (Run 'fg' at the shell to resume it)
 
     M-<   Start of file
     M->   End of file
diff --git a/command.c b/command.c
index edbc2d9..1adc870 100644
--- a/command.c
+++ b/command.c
@@ -354,3 +354,5 @@ void showpos()
 			curbp->b_point, ((curbp->b_ebuf - curbp->b_buf) - (curbp->b_egap - curbp->b_gap)));
 	}
 }
+
+void suspend() { raise(SIGTSTP); }
diff --git a/header.h b/header.h
index 06d71fd..a98a9ce 100644
--- a/header.h
+++ b/header.h
@@ -12,6 +12,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <wchar.h>
+#include <signal.h>
 int mkstemp(char *);
 
 #define VERSION	 "Atto 1.22, Public Domain, Dec 2020, by Hugh Barney,  No warranty."
@@ -155,6 +156,7 @@ extern void left(void);
 extern void lnbegin(void);
 extern void lnend(void);
 extern void paste(void);
+extern void suspend(void);
 extern void pgdown(void);
 extern void pgup(void);
 extern void quit(void);
diff --git a/key.c b/key.c
index a4b76ca..aa2db42 100644
--- a/key.c
+++ b/key.c
@@ -19,6 +19,7 @@ keymap_t keymap[] = {
 	{"C-v forward-page         ", "\x16", pgdown },
 	{"C-w kill-region          ", "\x17", cut},
 	{"C-y yank                 ", "\x19", paste},
+	{"C-z suspend              ", "\x1A", suspend},
 	{"C-space set-mark         ", "\x00", iblock },  /* ctrl-space */
 	{"C-x 1 delete-other-window", "\x18\x31", delete_other_windows },
 	{"C-x 2 split-window       ", "\x18\x32", split_window },