<, >, |, $: add page (#13846)

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
Co-authored-by: Wiktor Perskawiec <git@spageektti.cc>
Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

pages/common/greater-than.md

@@ -0,0 +1,20 @@
+# Greater than
+
+> Redirect output to a file.
+> More information: <https://gnu.org/software/bash/manual/bash.html#Redirecting-Output>.
+
+- Redirect `stdout` to a file:
+
+`{{command}} > {{path/to/file}}`
+
+- Append to a file:
+
+`{{command}} >> {{path/to/file}}`
+
+- Redirect both `stdout` and `stderr` to a file:
+
+`{{command}} &> {{path/to/file}}`
+
+- Redirect both `stdout` and `stderr` to `/dev/null` to keep the terminal output clean:
+
+`{{command}} &> /dev/null`