/proc/4/task/9/root/proc/self/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 /.
588d980000-7ffd42dd0000 ---p 00000000 00:00 0 [rollup]Rss: 115556 kBPss: 114838 kBPss_Anon: 58940 kBPss_File: 55898 kBPss_Shmem: 0 kBShared_Clean: 1432 kBShared_Dirty: 0 kBPrivate_Clean: 55184 kBPrivate_Dirty: 58940 kBReferenced: 115556 kBAnonymous: 58940 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB