LX0-103 · Question #135
Which of the following kernel parameters instructs the kernel to suppress most boot messages?
The correct answer is D. quiet. The quiet kernel parameter tells the Linux kernel to suppress non-critical boot messages, resulting in a cleaner boot output.
Question
Which of the following kernel parameters instructs the kernel to suppress most boot messages?
Options
- Asilent
- Bverbose=0
- Cnomesg
- Dquiet
How the community answered
(33 responses)- A3% (1)
- B6% (2)
- C3% (1)
- D88% (29)
Why each option
The quiet kernel parameter tells the Linux kernel to suppress non-critical boot messages, resulting in a cleaner boot output.
silent is not a standard Linux kernel parameter for suppressing boot messages; it is not recognized by the kernel for this purpose.
verbose=0 is not a valid Linux kernel boot parameter; verbosity is controlled by quiet or loglevel=N, not a verbose= key.
nomesg is not a recognized Linux kernel parameter; it does not exist as a standard option for suppressing boot output.
Appending quiet to the kernel command line in the bootloader (e.g., GRUB) sets the kernel log level low enough to hide most informational and debug messages during boot. It is a standard parameter recognized by the Linux kernel and is commonly used in production and desktop distributions to reduce boot verbosity.
Concept tested: Linux kernel boot parameter for suppressing messages
Source: https://www.kernel.org/doc/html/latest/admin-guide/kernel-parameters.html
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