Köszi, az írásod majd elolvasom!
> awk '/RssShmem/{ t += $2 } END{ print t " KB" }' /proc/*/status
KB
> grep RssShmem /proc/*/status | sort -nk2
> ipcs -mu
------- Osztott memória állapota --------
segments allocated 29
pages allocated 48211
pages resident 11788
pages swapped 0
Swap performance: 0 attempts 0 successes
> free -m
total used free shared buff/cache available
Mem: 15970 7473 1056 5773 7440 2335
Swap: 16999 2839 14160