/proc/self/root/proc/2/root/proc/self/task/8/root/proc/2/task/2/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 /.
c47bc0000-7ffe09dd4000 ---p 00000000 00:00 0 [rollup]Rss: 230052 kBPss: 229266 kBPss_Anon: 173320 kBPss_File: 55946 kBPss_Shmem: 0 kBShared_Clean: 1568 kBShared_Dirty: 0 kBPrivate_Clean: 55164 kBPrivate_Dirty: 173320 kBReferenced: 230052 kBAnonymous: 173320 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB