/proc/self/root/proc
This explorer reads the filesystem of the server it runs on, so /workspace/user isn't present here. Browsing and the terminal still work against this server's own disk from /.
MemTotal: 3291692 kBMemFree: 2876748 kBMemAvailable: 2839328 kBBuffers: 4476 kBCached: 146784 kBSwapCached: 0 kBActive: 22860 kBInactive: 353428 kBActive(anon): 88 kBInactive(anon): 227060 kBActive(file): 22772 kBInactive(file): 126368 kBUnevictable: 4 kBMlocked: 0 kBSwapTotal: 0 kBSwapFree: 0 kBDirty: 0 kBWriteback: 0 kBAnonPages: 225032 kBMapped: 94016 kBShmem: 2116 kBKReclaimable: 5536 kBSlab: 20044 kBSReclaimable: 5536 kBSUnreclaim: 14508 kBKernelStack: 1984 kBPageTables: 6884 kBNFS_Unstable: 0 kBBounce: 0 kBWritebackTmp: 0 kBCommitLimit: 1645844 kBCommitted_AS: 531676 kBVmallocTotal: 34359738367 kBVmallocUsed: 4304 kBVmallocChunk: 0 kBPercpu: 872 kBAnonHugePages: 0 kBShmemHugePages: 0 kBShmemPmdMapped: 0 kBFileHugePages: 0 kBFilePmdMapped: 0 kBHugePages_Total: 0HugePages_Free: 0HugePages_Rsvd: 0HugePages_Surp: 0Hugepagesize: 2048 kBHugetlb: 0 kBDirectMap4k: 26624 kBDirectMap2M: 3342336 kB