# SOME DESCRIPTIVE TITLE # Copyright (C) YEAR Free Software Foundation, Inc. # This file is distributed under the same license as the PACKAGE package. # FIRST AUTHOR , YEAR. # #, fuzzy msgid "" msgstr "" "Project-Id-Version: PACKAGE VERSION\n" "POT-Creation-Date: 2020-06-17 12:44+0800\n" "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n" "Last-Translator: FULL NAME \n" "Language-Team: LANGUAGE \n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. type: Content of: #: /home/xry111/svn-repos/LFS-BOOK/chapter09/introduction.xml:11 msgid "Introduction" msgstr "" #. type: Content of: <sect1><para> #: /home/xry111/svn-repos/LFS-BOOK/chapter09/introduction.xml:13 msgid "" "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 the system " "clock, bring up networking, start any daemons required by the system, and " "accomplish any other custom tasks needed 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." msgstr "" #. type: Content of: <sect1><sect2><title> #: /home/xry111/svn-repos/LFS-BOOK/chapter09/introduction.xml:22 msgid "System V" msgstr "" #. type: Content of: <sect1><sect2><para> #: /home/xry111/svn-repos/LFS-BOOK/chapter09/introduction.xml:24 msgid "" "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, <command>init</command>, that sets up basic programs such as " "<command>login</command> (via getty) and runs a script. This script, " "usually named <command>rc</command>, controls the execution of a set of " "additional scripts that perform the tasks required to initialize the system." msgstr "" #. type: Content of: <sect1><sect2><para> #: /home/xry111/svn-repos/LFS-BOOK/chapter09/introduction.xml:32 msgid "" "The <command>init</command> program is controlled by the " "<filename>/etc/inittab</filename> file and is organized into run levels that " "can be run by the user:" msgstr "" #. type: Content of: <sect1><sect2><literallayout> #: /home/xry111/svn-repos/LFS-BOOK/chapter09/introduction.xml:36 #, no-wrap msgid "" "0 — halt\n" "1 — Single user mode\n" "2 — Multiuser, without networking\n" "3 — Full multiuser mode\n" "4 — User definable\n" "5 — Full multiuser mode with display manager\n" "6 — reboot" msgstr "" #. type: Content of: <sect1><sect2><para> #: /home/xry111/svn-repos/LFS-BOOK/chapter09/introduction.xml:44 msgid "The usual default run level is 3 or 5." msgstr "" #. type: Content of: <sect1><sect2><bridgehead> #: /home/xry111/svn-repos/LFS-BOOK/chapter09/introduction.xml:46 msgid "Advantages" msgstr "" #. type: Content of: <sect1><sect2><itemizedlist><listitem><para> #: /home/xry111/svn-repos/LFS-BOOK/chapter09/introduction.xml:50 msgid "Established, well understood system." msgstr "" #. type: Content of: <sect1><sect2><itemizedlist><listitem><para> #: /home/xry111/svn-repos/LFS-BOOK/chapter09/introduction.xml:54 msgid "Easy to customize." msgstr "" #. type: Content of: <sect1><sect2><bridgehead> #: /home/xry111/svn-repos/LFS-BOOK/chapter09/introduction.xml:60 msgid "Disadvantages" msgstr "" #. type: Content of: <sect1><sect2><itemizedlist><listitem><para> #: /home/xry111/svn-repos/LFS-BOOK/chapter09/introduction.xml:64 msgid "" "May be slower to boot. A medium speed base LFS system takes 8-12 seconds " "where the boot time is measured from the first kernel message to the login " "prompt. Network connectivity is typically established about 2 seconds after " "the login prompt." msgstr "" #. type: Content of: <sect1><sect2><itemizedlist><listitem><para> #: /home/xry111/svn-repos/LFS-BOOK/chapter09/introduction.xml:72 msgid "" "Serial processing of boot tasks. This is related to the previous point. A " "delay in any process such as a file system check, will delay the entire boot " "process." msgstr "" #. type: Content of: <sect1><sect2><itemizedlist><listitem><para> #: /home/xry111/svn-repos/LFS-BOOK/chapter09/introduction.xml:78 msgid "" "Does not directly support advanced features like control groups (cgroups), " "and per-user fair share scheduling." msgstr "" #. type: Content of: <sect1><sect2><itemizedlist><listitem><para> #: /home/xry111/svn-repos/LFS-BOOK/chapter09/introduction.xml:83 msgid "Adding scripts requires manual, static sequencing decisions." msgstr ""