Changeset 7c862ea for chapter07/createfiles.xml

Timestamp:

05/02/2022 08:02:10 AM (2 years ago)

Author:

Xi Ruoyao <xry111@…>

Branches:

11.2, 11.2-rc1, 11.3, 11.3-rc1, 12.0, 12.0-rc1, 12.1, 12.1-rc1, bdubbs/gcc13, multilib, renodr/libudev-from-systemd, s6-init, trunk, xry111/arm64, xry111/arm64-12.0, xry111/clfs-ng, xry111/loongarch, xry111/loongarch-12.0, xry111/loongarch-12.1, xry111/mips64el, xry111/pip3, xry111/rust-wip-20221008, xry111/update-glibc

Children:

c48cc91, dd7a29e, f164a24

Parents:

0414633

Message:

GID 5 (for tty) is also special

File:

• chapter07/createfiles.xml (modified) (1 diff)

chapter07/createfiles.xml

@@ -166 +166 @@
   besides the group <systemitem class="groupname">root</systemitem> with a
   Group ID (GID) of 0, a group <systemitem class="groupname">bin</systemitem>
-  with a GID of 1 be present. All other group names and GIDs can be chosen
-  freely by the system administrator since well-written programs do not depend
-  on GID numbers, but rather use the group's name.</para>
+  with a GID of 1 be present. The GID of 5 is widely used for
+  <systemitem class="groupname">tty</systemitem> group, and the number 5 is
+  also used in <phrase revision="systemd">systemd</phrase>
+  <phrase revision="sysv"><filename>/etc/fstab</filename></phrase> for the
+  <systemitem class="filesystem">devpts</systemitem> filesystem.
+  All other group names and GIDs can be chosen freely by the system
+  administrator since well-written programs do not depend on GID numbers,
+  but rather use the group's name.</para>
 
   <para>The ID 65534 is used by the kernel for NFS and separate user