/proc/meminfo

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cat /proc/meminfo 
MemTotal:        3773416 kB
MemFree:          292132 kB
MemAvailable:    1111600 kB
Buffers:           73996 kB
Cached:           971016 kB
SwapCached:        22544 kB
Active:          1568380 kB
Inactive:        1583052 kB
Active(anon):    1066644 kB
Inactive(anon):  1112896 kB
Active(file):     501736 kB
Inactive(file):   470156 kB
Unevictable:          48 kB
Mlocked:              48 kB
SwapTotal:       2097148 kB
SwapFree:        1903868 kB
Dirty:              2420 kB
Writeback:             0 kB
AnonPages:       2099612 kB
Mapped:           379540 kB
Shmem:             74028 kB
KReclaimable:     103012 kB
Slab:             207848 kB
SReclaimable:     103012 kB
SUnreclaim:       104836 kB
KernelStack:       10704 kB
PageTables:        23912 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     3983856 kB
Committed_AS:    6365216 kB
VmallocTotal:   34359738367 kB
VmallocUsed:           0 kB
VmallocChunk:          0 kB
Percpu:             1728 kB
HardwareCorrupted:     0 kB
AnonHugePages:         0 kB
ShmemHugePages:        0 kB
ShmemPmdMapped:        0 kB
CmaTotal:              0 kB
CmaFree:               0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
Hugetlb:               0 kB
DirectMap4k:      276968 kB
DirectMap2M:     3651584 kB

Related commands

• /proc/cpuinfo
• free
• sar -r
• stress-ng
• lsmem
• /sys/kernel/mm/

See also

• Memory: memory pages, RAM, virsh Memory Commands, OOM, meminfo, vmstat, NAND, DDR, lsmem, /dev/shm, /proc/meminfo, sar -r, IOMMU, pmem, Memory management, Garbage collector, THP, Linux Huge Page TLB