| 1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" |
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ |
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent"> |
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| 5 | %general-entities; |
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| 6 | ]> |
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| 7 | |
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| 8 | <sect1 id="ch-boot-fstab"> |
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| 9 | <?dbhtml filename="fstab.html"?> |
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| 10 | |
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| 11 | <title>Creating the /etc/fstab File</title> |
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| 12 | |
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| 13 | <indexterm zone="ch-boot-fstab"> |
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| 14 | <primary sortas="e-/etc/fstab">/etc/fstab</primary> |
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| 15 | </indexterm> |
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| 16 | |
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| 17 | <para os="a">The <filename>/etc/fstab</filename> file is used by some |
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| 18 | programs to determine where file systems are to be mounted by default, |
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| 19 | which must be checked, and in which order. Create a new file systems |
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| 20 | table like this:</para> |
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| 21 | |
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| 22 | <screen><userinput>cat > ${CLFS}/etc/fstab << "EOF" |
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| 23 | <literal># Begin /etc/fstab |
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| 24 | |
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| 25 | # file system mount-point type options dump fsck |
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| 26 | # order |
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| 27 | |
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| 28 | /dev/<replaceable>[xxx]</replaceable> / <replaceable>[fff]</replaceable> defaults 1 1 |
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| 29 | /dev/<replaceable>[yyy]</replaceable> swap swap pri=1 0 0 |
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| 30 | devpts /dev/pts devpts gid=&gid-tty;,mode=620 0 0 |
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| 31 | shm /dev/shm tmpfs defaults 0 0 |
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| 32 | |
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| 33 | # End /etc/fstab</literal> |
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| 34 | EOF</userinput></screen> |
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| 35 | |
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| 36 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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| 37 | href="../../bootable/common/fstab.xml" |
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| 38 | xpointer="xpointer(//*[@os='b'])"/> |
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| 39 | |
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| 40 | <para os="c">The <filename class="directory">/dev/shm</filename> mount point |
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| 41 | for <systemitem class="filesystem">tmpfs</systemitem> is included to |
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| 42 | allow enabling POSIX-shared memory. The kernel must have the required |
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| 43 | support built into it for this to work (more about this is in the next |
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| 44 | section). Please note that very little software currently uses |
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| 45 | POSIX-shared memory. Therefore, consider the <filename |
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| 46 | class="directory">/dev/shm</filename> mount point optional. For more |
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| 47 | information, see <filename>Documentation/filesystems/tmpfs.txt</filename> |
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| 48 | in the kernel source tree.</para> |
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| 49 | |
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| 50 | </sect1> |
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