"rhgb quiet" controlling the display of commands in single user mode ?"rhgb quiet" controlling the d

 
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Old 02-01-2015
"rhgb quiet" controlling the display of commands in single user mode ?

Why does removing "rhgb quiet" from the kernel boot parameters control whether or not the commands I enter are displayed in single user mode ?

For instance, if I do not remove "rhgb quiet", when I am in single user mode, whatever command I type will not be displayed on the screen.

The commands will work, but nothing is shown.

Eg: ( entering whoami as the command )
sh-4.2#
sh-4.2# root

Last edited by Hijanoqu; 02-01-2015 at 11:38 PM..
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VT-IS-UTF8(1)							Linux User's Manual						     VT-IS-UTF8(1)

NAME
vt-is-UTF8 - check whether current VT is in UTF8- or byte-mode. SYNOPSIS
vt-is-UTF8 [-h|--help] [-V|--version] [-q|--quiet] DESCRIPTION
vt-is-UTF8 checks whether the current VT is in UTF8 mode, by writing (and erasing afterwards) a 3-byte-long UTF8 sequence, and looking how much chars where displayed by the console driver. A message telling in which mode the console is is then written to stdout (except if the --quiet option was given). If the --quiet option is not given, the value returned is 1 if an error occurs, else 0. OPTIONS
-h --help display version number, a short help message and exit. -V --version display version number and exit. -q --quiet do not print on stdout in with mode we are, but return the state as exit-status 1 if in UTF8-mode, 0 if in byte-mode. In case of error, 0 is returned and a message is displayed on stderr. BUGS
The check should be done by directly asking the kernel, which is not possible as of kernels 2.0.x. As of kernel 2.0.35, the byte-mode is sometimes erroneously detected as UTF8-mode, after switching from a 512-chars font to a 256-chars font. This is probably a console-driver bug. SEE ALSO
unicode_start(1), unicode_stop(1). Console tools 10 Aug 1998 VT-IS-UTF8(1)