diff --git a/pages/common/echo.md b/pages/common/echo.md
index b630b2c0afe4d1..9dc19357ce81ae 100644
--- a/pages/common/echo.md
+++ b/pages/common/echo.md
@@ -27,3 +27,7 @@
 - Print the exit status of the last executed command (Note: In Windows Command Prompt and PowerShell the equivalent commands are `echo %errorlevel%` and `$lastexitcode` respectively):
 
 `echo $?`
+
+- Pass text to another program through `stdin`:
+
+`echo "{{Hello World}}" | {{program}}`
diff --git a/pages/linux/cat.md b/pages/linux/cat.md
index e8bb910bc4a99a..3079ca382169a4 100644
--- a/pages/linux/cat.md
+++ b/pages/linux/cat.md
@@ -26,3 +26,7 @@
 - Display all characters, including tabs, line endings, and non-printing characters:
 
 `cat {{[-A|--show-all]}} {{path/to/file}}`
+
+- Pass file contents to another program through `stdin`:
+
+`cat {{path/to/file}} | {{program}}`