/proc/self/root/proc/4/root/proc/4/task/5/root/proc/thread-self
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 /.
51dc40000-7fffd9bf1000 ---p 00000000 00:00 0 [rollup]Rss: 270980 kBPss: 270166 kBPss_Anon: 214072 kBPss_File: 56094 kBPss_Shmem: 0 kBShared_Clean: 1624 kBShared_Dirty: 0 kBPrivate_Clean: 55284 kBPrivate_Dirty: 214072 kBReferenced: 270980 kBAnonymous: 214072 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB