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wiki/cards/linux.org
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Anki: Linux

Finding devices

Front

How to list devices information? (I mean all sorts of devices.)

Back

  • lspci is the most acceptable answer since it comprehensive lists all of the devices.
  • lsusb list USB-connected devices.
  • lsblk list the block devices which usually includes storage drives and such.

$PATH environment

Front

How does a shell find the binaries?

Back

Most shell searches through the $PATH variable, a colon-delimited list of paths containing the binaries.

Testing systemd timestamps

Front

How to test out systemd timestamps?

Back

systemd-analyze {calendar,timestamp,timespan}

To know how the format (i.e., calendar, timestamp, and timespan) looks like, you can refer to man systemd.time.5.