From 39e5e04e4a67ab9ad9c0298de08ab55c0e62e55e Mon Sep 17 00:00:00 2001
From: Axel Navarro <navarroaxel@gmail.com>
Date: Mon, 4 Jan 2021 14:07:27 -0300
Subject: [PATCH] e2undo: add page (#5074)

---
 pages/linux/e2undo.md | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 pages/linux/e2undo.md

diff --git a/pages/linux/e2undo.md b/pages/linux/e2undo.md
new file mode 100644
index 000000000..4faed7c70
--- /dev/null
+++ b/pages/linux/e2undo.md
@@ -0,0 +1,25 @@
+# e2undo
+
+> Replay undo logs for an ext2/ext3/ext4 filesystem.
+> This can be used to undo a failed operation by an e2fsprogs program.
+> More information: <https://man7.org/linux/man-pages/man8/e2undo.8.html>.
+
+- Display information about a specific undo file:
+
+`e2undo -h {{path/to/undo_file}} {{/dev/sdXN}}`
+
+- Perform a dry-run and display the candidate blocks for replaying:
+
+`e2undo -nv {{path/to/undo_file}} {{/dev/sdXN}}`
+
+- Perform an undo operation:
+
+`e2undo {{path/to/undo_file}} {{/dev/sdXN}}`
+
+- Perform an undo operation and display verbose information:
+
+`e2undo -v {{path/to/undo_file}} {{/dev/sdXN}}`
+
+- Write the old contents of the block to an undo file before overwriting a file system block:
+
+`e2undo -z {{path/to/file.e2undo}} {{path/to/undo_file}} {{/dev/sdXN}}`