Merci pour votre réponse
Voici ce que j'ai eu :
[CODE]Last login: Sun Aug 30 11:00:31 on ttys000
Mac-mini-de-EMILE:~ emilefrancois$ diskutil resizeVolume disk0s2 300g fat32 BOOTCAMP 0b
Resizing to 300000000000 bytes and adding 1 partition
Started partitioning on disk0s2 Macintosh HD
Verifying the disk
Verifying file system
Volume could not be unmounted
Using live mode
Performing fsck_hfs -fn -l -x /dev/rdisk0s2
Performing live verification
Checking Journaled HFS Plus volume
Checking extents overflow file
Checking catalog file
Checking multi-linked files
Checking catalog hierarchy
Checking extended attributes file
Checking volume bitmap
Checking volume information
The volume Macintosh HD appears to be OK
File system check exit code is 0
Restoring the original state found as mounted
Resizing
Shrinking file system
Copying booter
Modifying partition map
4096 bytes per physical sector
/dev/rdisk0s4: 389059776 sectors in 6079059 FAT32 clusters (32768 bytes/cluster)
bps=512 spc=64 res=32 nft=2 mid=0xf8 spt=32 hds=255 hid=587618304 drv=0x80 bsec=389154816 bspf=47496 rdcl=2 infs=1 bkbs=6
Mounting disk
Finished partitioning on disk0s2 Macintosh HD
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *500.1 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_HFS Macintosh HD 300.0 GB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s5
4: Microsoft Basic Data BOOTCAMP 199.2 GB disk0s4
Mac-mini-de-EMILE:~ emilefrancois$
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