Lap computers currently running 256 megs of ram or less is classified as a low memory system * HW OS kernel init -- -- ------ ---- 68000 amigados 1.3 Exec ??? (amiga 500) 5 megs ram* chromebook chromeos 51.0.2704.106 ??? HP 14 2 gigs ram chromebook chromeos 54.0.2840.93 ??? HP 11 G4 Intel Celeron N2840 3.10.18 4 gigs ram arm a9 android 4.2.2 3.0.50 ??? (mygica media streamer, 1 gig of ram) arm embedix 2.4.6-rmk1-np2-embedix simplified sysv (zaurus) 64 megs of ram* P3 openbsd 4.7 4.7 GENERIC#558 i386 bsd init (dell gx110) 256 megs of ram* P3 fc1 2.4.22-1.2199.nptlsmp sysv 384 megs of ram Celeron 1.8ghz fedora 16 3.6.11-4.fc16.i686 systemd HP Compaq NX9030 1 gig of ram AMD TF-20 fedora 14 2.6.35.14-106.fc14.x86_64 upstart P3 fedora 10 2.6.27.41-170.2.117.fc10.i686 P3 antix 3.7.10-antix.5-486-sm sysv (derived from Debian Wheezy) P3 q4os 3.2.73-2+deb7u3a sysv (derived from Debian Wheezy) P3 vector 6 classic 2.6.27.29 init with BSD-style layout Celeron vector 7.1 3.18.16 init with BSD-style layout Research into Old Operating Systems ----------------------------------- All of these can be considered as low system systems QEMU Basic Linux 3 2.2.26 sysv init emulated P2 (based on Slackware 3.5 and 4.0) 128 megs of ram PDP-11/20 Unix v1/v2 unix v1 + v2 userland unit init assembly PDP-11/70 Unix v5a unix v5 +rk,tm,tc,8dc unix init c (should also work on PDP-11/40, 11/45 PDP-11/70 Unix v6p unix v6 unix init c PDP-11/70 Unix v7d unix v7 unix init c PDP-11/70 Unix Sys V unix sys v sysv init (4 meg ram max) PDP-11/53 RT-11FB V05.3 RT-11 ??? PDP-11/73 2.11BSD backport of 4.3bsd unix overlay kernel (4 meg ram max) Interdata 7/32 Unix v6 unix v6 unix init c (1 meg ram max) Interdata 7/32 Unix v7 unix v7 unix init c (1 meg ram max) Vax 11-780 Unix 32v vmunix initvm 8 megs of ram Vax 11-780 3bsd 3 bsd bsd init 8 megs of ram Vax 11-780 Unix v8 4.1c bsd bsd init Microvax 3000 4.3BSD quas 4.3 bsd bsd init (16 meg ram max)