This is the sum of the MemTotal and SwapTotal values. ![]() CommitLimit: This is the maximum amount of memory that can be allocated on the system.Writeback buffers are used by the kernel to store data that is being written to disk. WritebackTmp: This is the amount of memory being used for writeback buffers.Bounce buffers are used by the kernel to store data that is being read from or written to devices that cannot handle physical addresses. Bounce: This is the amount of memory being used for bounce buffers.NFS pages are pages that are being used by the NFS client to access files on an NFS server. NFS_Unstable: This is the amount of memory being used for NFS pages that are marked as unstable.Page tables are used by the kernel to store information about the layout of memory. PageTables: This is the amount of memory being used for page tables.Kernel stacks are used by the kernel to store data for processes that are currently running. KernelStack: This is the amount of memory being used for kernel stacks.SUnreclaim: This is the amount of memory in the slab cache that cannot be reclaimed.SReclaimable: This is the amount of memory in the slab cache that can be reclaimed.The slab cache is used by the kernel to store data structures that are used internally. Slab: This is the amount of memory being used by the kernel slab cache.Shared memory is memory that is shared between multiple processes. Shmem: This is the amount of memory being used for shared memory.This includes files that are mapped into memory using the mmap system call. Mapped: This is the amount of memory that is mapped into the page cache.Anonymous pages are pages that are not associated with any file. AnonPages: This is the amount of memory being used by anonymous pages.Writeback: This is the amount of memory that is currently being written to disk.Dirty: This is the amount of memory that is waiting to be written to disk. ![]() SwapFree: This is the amount of swap space that is not currently being used.SwapTotal: This is the total amount of swap space on the system.Inactive: This is the amount of memory that is not currently being used but is still available to processes.Active: This is the amount of memory that is currently being used by active processes.The page cache is used by the kernel to store recently accessed data in memory so that it can be quickly accessed again. Cached: This is the amount of memory being used by the page cache.Buffers are used by the kernel to store data that is being read from or written to disk. Buffers: This is the amount of memory being used by buffers.MemFree: This is the amount of physical memory that is not being used by the system. ![]()
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