Context menu:

.  Open file (view / open dir)
.  Download
.  Download as tarball
.  File type & info (stat, file, arch, xattrs)
.  Filesystem used & free
.  Disk space usage
.  Block device info (size, UUID, label, ...)
.  Checksum
x  Device checksum (slow?)
.  Directory listing (find0)
.  Inspection data
?  LV information
?  Ext2 superblock info (tune2fs)

The slave thread should not have to remount filesystems.
If the mount points are the same as the previous command, it
should cache them.

Display the event log from Windows guests.

Extended attributes, SELinux.