tldr/pages/linux/dmesg.md

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# dmesg
> Write the kernel messages to standard output.
- Show kernel messages:
`dmesg`
- Show kernel messages and keep reading new ones, similar to `tail -f` (available in kernels 3.5.0 and newer):
`dmesg -w`
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- Show how much physical memory is available on this system:
`dmesg | grep -i memory`
- Show kernel messages 1 page at a time:
`dmesg | less`