nethogs, diskutil: fix device path (#17557)

Author: Managor

pages/linux/nethogs.md

@@ -13,7 +13,7 @@
 
 - Monitor bandwidth on multiple devices:
 
-`sudo nethogs {{device1}} {{device2}}`
+`sudo nethogs {{device1 device2 ...}}`
 
 - Specify refresh rate:
 

pages/osx/diskutil.md

@@ -10,12 +10,12 @@
 
 - Repair the filesystem data structures of a volume:
 
-`diskutil repairVolume {{/dev/disk_device}}`
+`diskutil repairVolume {{/dev/disk}}`
 
 - Unmount a volume:
 
-`diskutil unmountDisk {{/dev/disk_device}}`
+`diskutil unmountDisk {{/dev/disk}}`
 
 - Eject a CD/DVD (unmount first):
 
-`diskutil eject {{/dev/disk_device1}}`
+`diskutil eject {{/dev/diskX}}`