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-rw-r--r--appendixa/shellutils-desc.xml14
1 files changed, 8 insertions, 6 deletions
diff --git a/appendixa/shellutils-desc.xml b/appendixa/shellutils-desc.xml
index 22b0af71d..ac9da10ec 100644
--- a/appendixa/shellutils-desc.xml
+++ b/appendixa/shellutils-desc.xml
@@ -47,11 +47,11 @@ integer numbers.</para></sect4>
host.</para></sect4>
<sect4><title>hostname</title>
-<para>hostname sets or prints the name of the current host system.</para></sect4>
+<para>hostname prints or sets the name of the current host system.</para></sect4>
<sect4><title>id</title>
-<para>id prints the real and effective UIDs and GIDs of a user or the current
-user.</para></sect4>
+<para>id prints the effective user and group IDs of the current
+user or a given user.</para></sect4>
<sect4><title>logname</title>
<para>logname prints the current user's login name.</para></sect4>
@@ -91,7 +91,7 @@ increment.</para></sect4>
<para>stty changes and prints terminal line settings.</para></sect4>
<sect4><title>su</title>
-<para>su runs a shell with substitute user and group ID's.</para></sect4>
+<para>su runs a shell with substitute user and group IDs.</para></sect4>
<sect4><title>tee</title>
<para>tee reads from standard input and writes to standard output and
@@ -121,10 +121,12 @@ current host.</para></sect4>
<para>who shows who is logged on.</para></sect4>
<sect4><title>whoami</title>
-<para>whoami prints the user's effective userid.</para></sect4>
+<para>whoami prints the user name associated with the current
+effective user ID.</para></sect4>
<sect4><title>yes</title>
-<para>yes outputs a string repeatedly until killed.</para></sect4>
+<para>yes outputs 'y' or a given string repeatedly,
+until killed.</para></sect4>
</sect3>