From d5a58cba9dee726dfcce715e05d3d60e45134d50 Mon Sep 17 00:00:00 2001
From: Junjue Wang <junjuew@cs.cmu.edu>
Date: Sun, 13 Oct 2019 07:15:33 -0400
Subject: [PATCH] aptitude: add search term and hold examples (#3380)

---
 pages/linux/aptitude.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pages/linux/aptitude.md b/pages/linux/aptitude.md
index 8c8f8c53ca..9855eab001 100644
--- a/pages/linux/aptitude.md
+++ b/pages/linux/aptitude.md
@@ -14,6 +14,10 @@
 
 `aptitude search {{package}}`
 
+- Search for an installed package (`?installed` is an aptitude search term):
+
+`aptitude search '?installed({{package}})'`
+
 - Remove a package and all packages depending on it:
 
 `aptitude remove {{package}}`
@@ -25,3 +29,7 @@
 - Upgrade installed packages (like `aptitude upgrade`) including removing obsolete packages and installing additional packages to meet new package dependencies:
 
 `aptitude full-upgrade`
+
+- Put an installed package on hold to prevent it from being automatically upgraded:
+
+`aptitude hold '?installed({{package}})'`