zramctl — Setup and control zram devices. Use `mkfs` or `mkswap` to format zram devices to partitions. More in

Check if zram is enabled

lsmod | grep {{[-i|--ignore-case]}} zram

Enable zram with a dynamic number of devices (use `zramctl` to configure devices further)

sudo modprobe zram

Enable zram with exactly 2 devices

sudo modprobe zram num_devices={{2}}

Find and initialize the next free zram device to a 2 GB virtual drive using LZ4 compression

sudo zramctl {{[-f|--find]}} {{[-s|--size]}} {{2GB}} {{[-a|--algorithm]}} {{lz4}}

List currently initialized devices

sudo zramctl