diff --git a/INSTALL/old/old-2_3to2_4-UPGRADE.txt b/INSTALL/old/old-2_3to2_4-UPGRADE.txt
new file mode 120000
index 000000000..97b3352a3
--- /dev/null
+++ b/INSTALL/old/old-2_3to2_4-UPGRADE.txt
@@ -0,0 +1 @@
+../../docs/old-2_3to2_4-UPGRADE.md
\ No newline at end of file
diff --git a/INSTALL/xINSTALL.OpenBSD.txt b/INSTALL/xINSTALL.OpenBSD.txt
new file mode 120000
index 000000000..bfce0cba2
--- /dev/null
+++ b/INSTALL/xINSTALL.OpenBSD.txt
@@ -0,0 +1 @@
+../docs/xINSTALL.OpenBSD.md
\ No newline at end of file
diff --git a/INSTALL/xINSTALL.centos7.txt b/INSTALL/xINSTALL.centos7.txt
new file mode 120000
index 000000000..f56e9de5e
--- /dev/null
+++ b/INSTALL/xINSTALL.centos7.txt
@@ -0,0 +1 @@
+../docs/xINSTALL.centos7.md
\ No newline at end of file
diff --git a/INSTALL/xINSTALL.debian_testing.txt b/INSTALL/xINSTALL.debian_testing.txt
new file mode 120000
index 000000000..c14e3023b
--- /dev/null
+++ b/INSTALL/xINSTALL.debian_testing.txt
@@ -0,0 +1 @@
+../docs/xINSTALL.debian_testing.md
\ No newline at end of file