diff --git a/chapter09/introduction.xml b/chapter09/introduction.xml
index da5ffe67c..745ca3165 100644
--- a/chapter09/introduction.xml
+++ b/chapter09/introduction.xml
@@ -11,19 +11,19 @@
Introduction
Booting a Linux system involves several tasks. The process must
- mount both virtual and real file systems, initialize devices, activate swap,
- check file systems for integrity, mount any swap partitions or files, set
+ mount both virtual and real file systems, initialize devices,
+ check file systems for integrity, mount and activate any swap partitions or files, set
the system clock, bring up networking, start any daemons required by the
- system, and accomplish any other custom tasks needed by the user. This
+ system, and accomplish any other custom tasks specified by the user. This
process must be organized to ensure the tasks are performed in the correct
- order but, at the same time, be executed as fast as possible.
+ order and executed as quickly as possible.
System V
System V is the classic boot process that has been used in Unix and
Unix-like systems such as Linux since about 1983. It consists of a small
- program, init, that sets up basic programs such as
+ program, init, that sets up basic processes such as
login (via getty) and runs a script. This script,
usually named rc, controls the execution of a set of
additional scripts that perform the tasks required to initialize the
@@ -31,7 +31,7 @@
The init program is controlled by the
/etc/inittab file and is organized into run levels that
- can be run by the user. In LFS, they are used as follows:
+ can be chosen by the user. In LFS, they are used as follows:
0 — halt
1 — Single user mode
@@ -70,13 +70,13 @@
Serial processing of boot tasks. This is related to the previous
- point. A delay in any process such as a file system check, will
+ point. A delay in any process, such as a file system check, will
delay the entire boot process.
Does not directly support advanced features like
- control groups (cgroups), and per-user fair share scheduling.
+ control groups (cgroups) and per-user fair share scheduling.