/proc/4/task/5/root/proc/self/root/proc/2/task/2/root/proc/4
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 /.
d90080000-7ffc88c00000 ---p 00000000 00:00 0 [rollup]Rss: 113976 kBPss: 113174 kBPss_Anon: 57316 kBPss_File: 55858 kBPss_Shmem: 0 kBShared_Clean: 1600 kBShared_Dirty: 0 kBPrivate_Clean: 55060 kBPrivate_Dirty: 57316 kBReferenced: 113976 kBAnonymous: 57316 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB