/proc/2/root/proc/4/task/4/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 /.
39ef640000-7ffc799d4000 ---p 00000000 00:00 0 [rollup]Rss: 110532 kBPss: 109756 kBPss_Anon: 55136 kBPss_File: 54620 kBPss_Shmem: 0 kBShared_Clean: 1548 kBShared_Dirty: 0 kBPrivate_Clean: 53848 kBPrivate_Dirty: 55136 kBReferenced: 110532 kBAnonymous: 55136 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB