/proc/thread-self/root/proc/2/root/proc/self/task/5/root/proc/self/task/6/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 /.
556899133000-7fff3ffa4000 ---p 00000000 00:00 0 [rollup]Rss: 5572 kBPss: 4778 kBPss_Anon: 2340 kBPss_File: 2438 kBPss_Shmem: 0 kBShared_Clean: 1584 kBShared_Dirty: 0 kBPrivate_Clean: 1648 kBPrivate_Dirty: 2340 kBReferenced: 5572 kBAnonymous: 2340 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB