/proc/thread-self/root/proc/4/task/7/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 /.
ef5040000-7fff36ba2000 ---p 00000000 00:00 0 [rollup]Rss: 273700 kBPss: 272898 kBPss_Anon: 216892 kBPss_File: 56006 kBPss_Shmem: 0 kBShared_Clean: 1600 kBShared_Dirty: 0 kBPrivate_Clean: 55208 kBPrivate_Dirty: 216892 kBReferenced: 273700 kBAnonymous: 216892 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB