/proc/self/task/5
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 /.
c11380000-7ffd6cbfb000 ---p 00000000 00:00 0 [rollup]Rss: 558380 kBPss: 557590 kBPss_Anon: 502968 kBPss_File: 54622 kBPss_Shmem: 0 kBShared_Clean: 1576 kBShared_Dirty: 0 kBPrivate_Clean: 53836 kBPrivate_Dirty: 502968 kBReferenced: 558380 kBAnonymous: 502968 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB