diff --git a/771.myco b/771.myco
deleted file mode 100644
index f0e9b98..0000000
--- a/771.myco
+++ /dev/null
@@ -1,4 +0,0 @@
-= 771
-https://meiert.com/en/blog/optional-html/#toc-quotes
-
-What can be left out.
\ No newline at end of file
diff --git a/835.myco b/835.myco
new file mode 100644
index 0000000..22ff6ee
--- /dev/null
+++ b/835.myco
@@ -0,0 +1,12 @@
+= 835
+https://gist.github.com/mohanpedala/1e2ff5661761d3abd0385e8223e16425
+
+Bash strict mode.
+```sh
+set -euxo pipefail
+```
+
+The -x is sometimes not needed, it prints out every input back. So, this is an option:
+```
+set -euo pipefail
+```
\ No newline at end of file
diff --git a/Optional HTML: Everything You Need to Know · Jens Oliver Meiert.myco b/Optional HTML: Everything You Need to Know · Jens Oliver Meiert.myco
deleted file mode 100644
index 5a91764..0000000
--- a/Optional HTML: Everything You Need to Know · Jens Oliver Meiert.myco	
+++ /dev/null
@@ -1,4 +0,0 @@
-= Optional HTML: Everything You Need to Know · Jens Oliver Meiert
-https://meiert.com/en/blog/optional-html/#toc-quotes
-
-What can be left out.
\ No newline at end of file
diff --git a/set -e, -u, -o, -x pipefail explanation.myco b/set -e, -u, -o, -x pipefail explanation.myco
new file mode 100644
index 0000000..6087b8d
--- /dev/null
+++ b/set -e, -u, -o, -x pipefail explanation.myco	
@@ -0,0 +1,12 @@
+= set -e, -u, -o, -x pipefail explanation
+https://gist.github.com/mohanpedala/1e2ff5661761d3abd0385e8223e16425
+
+Bash strict mode.
+```sh
+set -euxo pipefail
+```
+
+The -x is sometimes not needed, it prints out every input back. So, this is an option:
+```
+set -euo pipefail
+```
\ No newline at end of file