add img for 4.

a701e27d · Laurent Modolo · e7f4bea8 · a701e27d · a701e27d · a701e27d
Unverified Commit a701e27d authored 4 years ago by Laurent Modolo
--- a/img/IBM_card_storage_NARA.jpg
+++ b/img/IBM_card_storage_NARA.jpg
--- a/img/disk.png
+++ b/img/disk.png
--- a/img/files.png
+++ b/img/files.png
--- a/img/logo-lbmc.png
+++ b/img/logo-lbmc.png
--- a/img/logo-prabi.png
+++ b/img/logo-prabi.png
--- a/img/openssh.png
+++ b/img/openssh.png
--- a/img/os-stacks.png
+++ b/img/os-stacks.png
--- a/img/partition.png
+++ b/img/partition.png