/proc/2/root/proc/4/task/5/root/proc/2/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 /.
833ce80000-7fff069da000 ---p 00000000 00:00 0 [rollup]Rss: 258128 kBPss: 257316 kBPss_Anon: 201552 kBPss_File: 55764 kBPss_Shmem: 0 kBShared_Clean: 1620 kBShared_Dirty: 0 kBPrivate_Clean: 54956 kBPrivate_Dirty: 201552 kBReferenced: 258128 kBAnonymous: 201552 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB