TLDR
Enter a command. For example: mkfile, launchd, fsck, xcrun, wacaw.

dmesg

 
Write the kernel messages to standard output. More information: https://www.manpagez.com/man/8/dmesg/.
 
  • Show kernel messages:
     
    dmesg
     
  • Show how much physical memory is available on this system:
     
    dmesg | grep -i memory
     
  • Show kernel messages 1 page at a time:
     
    dmesg | less
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