/proc/thread-self/root/proc/4/task/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 /.
298a580000-7fff5133d000 ---p 00000000 00:00 0 [rollup]Rss: 222664 kBPss: 221938 kBPss_Anon: 166000 kBPss_File: 55938 kBPss_Shmem: 0 kBShared_Clean: 1448 kBShared_Dirty: 0 kBPrivate_Clean: 55216 kBPrivate_Dirty: 166000 kBReferenced: 222664 kBAnonymous: 166000 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB