Linux is shocked.sh

LokingMac:~ josue$ diskutil list
/dev/disk0
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *121.3 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            121.0 GB   disk0s2
/dev/disk1
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     FDisk_partition_scheme                        *1.0 TB     disk1
   1:               Windows_NTFS TOSHIBA                 786.4 GB   disk1s1
   2:                      Linux Untitled                105.6 GB   disk1s5
LokingMac:~ josue$ 
LokingMac:~ josue$ ext4fuse /dev/disk1s5 /Users/josue/Desktop/Ext4
LokingMac:~ josue$ cd Desktop/Ext4 
-bash: cd: Desktop/Ext4: No such file or directory
LokingMac:~ josue$ mkdir Desktop/Ext4
mkdir: Desktop/Ext4: File exists
LokingMac:~ josue$ rm -rf Desktop/Ext4 
rm: Desktop/Ext4: Operation not permitted
LokingMac:~ josue$ sudo rm -rf Desktop/Ext4 
rm: Desktop/Ext4/lost+found: Function not implemented
rm: Desktop/Ext4/etc/fstab: Function not implemented
rm: Desktop/Ext4/etc/ConsoleKit/run-seat.d: Function not implemented
rm: Desktop/Ext4/etc/ConsoleKit/run-session.d: Function not implemented
rm: Desktop/Ext4/etc/ConsoleKit/seats.d/00-primary.seat: Function not implemented
rm: Desktop/Ext4/etc/ConsoleKit/seats.d: Function not implemented