pfe

#!/bin/sh
(read -r _ _ k _ </proc/version;IFS=. read -r s _ </proc/uptime;d=$((s/60/60/24));h=$((s/60/60%24));m=$((s/60%60));[ "$d" = 0 ]||u="$u ${d}d";[ "$h" = 0 ]||u=$u\ ${h}h;[ "$m" = 0 ]||u=$u\ ${m}m;. /etc/os-release;while IFS=: read -r a b;do b=${b%kB};case $a in MemT*)_=$((z+=b));_=$((y=b));; Shmem)_=$((z+=b));;MemF*|Buf*|Cac*|SR*)_=$((z-=b));esac;done </proc/meminfo;_=$((z/=1024));_=$((y/=1024));set -- /var/db/k*/ins*/*/;printf '%b\n' "
    ___      ${USER:-$(id -un)}@$(hostname)
   (.· |     os:     ${PRETTY_NAME:-Linux}
   (<> |     shell:  ${SHELL:-/bin/sh}
  / __  \\    pkgs:   $#
 ( /  \\ /|   uptime:${u:-0m}
_/\\ __)/_)   memory: ${z:-?}MB / ${y:-?}MB
\/-____\/    kernel: ${k:-linux}
") 2>/dev/null