/proc/self/root/proc/thread-self/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 /.
1d44a40000-7ffd5a753000 ---p 00000000 00:00 0 [rollup]Rss: 134136 kBPss: 133368 kBPss_Anon: 78600 kBPss_File: 54768 kBPss_Shmem: 0 kBShared_Clean: 1532 kBShared_Dirty: 0 kBPrivate_Clean: 54004 kBPrivate_Dirty: 78600 kBReferenced: 134136 kBAnonymous: 78600 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB