~$ cat /proc/meminfo 
MemTotal:        8185980 kB
MemFree:         2252736 kB
Buffers:           19140 kB
Cached:           378068 kB
SwapCached:         1328 kB
Active:           198332 kB
Inactive:         217312 kB
Active(anon):       2584 kB
Inactive(anon):    16716 kB
Active(file):     195748 kB
Inactive(file):   200596 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:       2102460 kB
SwapFree:        2101104 kB
Dirty:                52 kB
Writeback:             0 kB
AnonPages:         17144 kB
Mapped:             4636 kB
Shmem:               868 kB
Slab:            5296200 kB
SReclaimable:      36932 kB
SUnreclaim:      5259268 kB
KernelStack:        1600 kB
PageTables:         1384 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     6195448 kB
Committed_AS:      30024 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      343052 kB
VmallocChunk:   34359262092 kB
HardwareCorrupted:     0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7680 kB
DirectMap2M:     8372224 kB


init─┬─atd
     ├─cron
     ├─6*[getty]
     ├─irqbalance
     ├─sshd
     ├─sshd───sshd───bash───pstree
     ├─udevd
     └─upstart-udev-br