/proc/thread-self/root/proc/self/task/4/root/proc/2/task/2/root/proc/self/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 /.
2bc4840000-7ffe84d8b000 ---p 00000000 00:00 0 [rollup]Rss: 215484 kBPss: 214734 kBPss_Anon: 158764 kBPss_File: 55970 kBPss_Shmem: 0 kBShared_Clean: 1496 kBShared_Dirty: 0 kBPrivate_Clean: 55224 kBPrivate_Dirty: 158764 kBReferenced: 215484 kBAnonymous: 158764 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB