/proc/4/task/8/root/proc/2/task/2/root/proc/thread-self/root/proc/self/root/proc/2
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 /.
55f493371000-7fff81d96000 ---p 00000000 00:00 0 [rollup]Rss: 4720 kBPss: 4004 kBPss_Anon: 1672 kBPss_File: 2332 kBPss_Shmem: 0 kBShared_Clean: 1428 kBShared_Dirty: 0 kBPrivate_Clean: 1620 kBPrivate_Dirty: 1672 kBReferenced: 4720 kBAnonymous: 1672 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB