From 777cb8c67d1ae7deb031da174981489a1ff3e1be Mon Sep 17 00:00:00 2001
From: slash3b <slash3b@gmail.com>
Date: Sat, 20 Feb 2016 01:09:13 +0200
Subject: [PATCH 1/2] visudo command added

---
 pages/common/visudo.md | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 pages/common/visudo.md

diff --git a/pages/common/visudo.md b/pages/common/visudo.md
new file mode 100644
index 000000000..3d98c1ee7
--- /dev/null
+++ b/pages/common/visudo.md
@@ -0,0 +1,11 @@
+# visudo 
+
+> Safely edit the sudoers file. Command requires super user privilegies.
+
+- Edit sudoers file:
+
+`sudo visudo`
+
+- Check sudoers file for errors:
+
+`sudo visudo -c`

From 5de5f06ffb644b3cd35846127e571a007030ae80 Mon Sep 17 00:00:00 2001
From: slash3b <slash3b@gmail.com>
Date: Sat, 20 Feb 2016 01:09:38 +0200
Subject: [PATCH 2/2] getent command was added

---
 pages/common/visudo.md |  2 +-
 pages/linux/getent.md  | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 pages/linux/getent.md

diff --git a/pages/common/visudo.md b/pages/common/visudo.md
index 3d98c1ee7..724b8436f 100644
--- a/pages/common/visudo.md
+++ b/pages/common/visudo.md
@@ -1,6 +1,6 @@
 # visudo 
 
-> Safely edit the sudoers file. Command requires super user privilegies.
+> Safely edit the sudoers file.
 
 - Edit sudoers file:
 
diff --git a/pages/linux/getent.md b/pages/linux/getent.md
new file mode 100644
index 000000000..867fbbf84
--- /dev/null
+++ b/pages/linux/getent.md
@@ -0,0 +1,23 @@
+# getent  
+
+> Get entries from Name Service Switch libraries.
+
+- Get list of all groups:
+
+`getent group`
+
+- See the members of a group:
+
+`getenet group {{group_name}}`
+
+- Get list of all services:
+
+`getent services`
+
+- Find a username by UID:
+
+`getent passwd 1000`
+
+- Perform a reverse DNS lookup:
+
+`getent hosts {{host}}`