::fixture-ready::
$ ps -eo pid,comm,%mem,%cpu --sort=-%mem | head
    PID COMMAND         %MEM %CPU
     14 ps               0.0  0.0
     13 bash             0.0  0.0
      1 bash             0.0 28.5
     12 timeout          0.0  0.0
     15 head             0.0  0.0
::exit-code::0
$ free -h
               total        used        free      shared  buff/cache   available
Mem:           125Gi        46Gi       3.8Gi       259Mi        75Gi        79Gi
Swap:             0B          0B          0B
::exit-code::0
$ df -h
Filesystem      Size  Used Avail Use% Mounted on
overlay         3.6T  1.2T  2.3T  35% /
tmpfs            64M     0   64M   0% /dev
shm              64M     0   64M   0% /dev/shm
tmpfs            64M  8.0K   64M   1% /tmp
tmpfs            64M  352K   64M   1% /var
/dev/nvme0n1p2  3.6T  1.2T  2.3T  35% /lab/demo.sh
tmpfs            63G     0   63G   0% /proc/asound
tmpfs            63G     0   63G   0% /proc/acpi
tmpfs            63G     0   63G   0% /proc/scsi
tmpfs            63G     0   63G   0% /sys/firmware
tmpfs            63G     0   63G   0% /sys/devices/virtual/powercap
::exit-code::0