How do I find memory information on linux system?

[petulia3478]

To find memory information like total memory, memory free, swap information. Do the following:

# cd /proc
# more meminfo
MemTotal:      1025724 kB
MemFree:        792960 kB
Buffers:         20212 kB
Cached:          45568 kB
SwapCached:          0 kB
Active:         170436 kB
Inactive:        33264 kB
HighTotal:      122044 kB
HighFree:          392 kB
LowTotal:       903680 kB
LowFree:        792568 kB
SwapTotal:      522072 kB
SwapFree:       521912 kB
Dirty:              40 kB
Writeback:           0 kB
Mapped:         159492 kB
Slab:            18796 kB
Committed_AS:   536576 kB
PageTables:       3184 kB
VmallocTotal:   106488 kB
VmallocUsed:      3480 kB
VmallocChunk:   102688 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB
```l