/proc/self/task/5/root/proc/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 /.
3e47680000-7ffdfefcc000 ---p 00000000 00:00 0 [rollup]Rss: 171568 kBPss: 170794 kBPss_Anon: 115016 kBPss_File: 55778 kBPss_Shmem: 0 kBShared_Clean: 1544 kBShared_Dirty: 0 kBPrivate_Clean: 55008 kBPrivate_Dirty: 115016 kBReferenced: 171568 kBAnonymous: 115016 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB