Geen Family Web Site

OSX

hdiutil

Glen.tx.rr.com# hdiutil
hdiutil: missing verb
Usage: hdiutil  
 is one of the following:
help            	flatten
attach          	imageinfo
detach          	isencrypted
eject           	makehybrid
verify          	mount
create          	mountvol
compact         	unmount
convert         	plugins
burn            	resize
info            	segment
checksum        	pmap
chpass          	udifderez
erasekeys       	udifrez
unflatten

softwareupdate


Glen.tx.rr.com# softwareupdate
usage: softwareupdate  [ ...]

** Manage Updates:
	-l | --list		List all appropriate update labels (options:  --no-scan, --product-types)
	-d | --download		Download Only
	-e | --cancel-download		Cancel a download
	-i | --install		Install
		

sw_vers

To query the operating system for its current version from the command line (or terminal window) you may execute the sw_vers command. This is useful in scripting and automation.

US-GLENG-MACBOOK:~ gleng$ sw_vers -productVersion
10.14.6
US-GLENG-MACBOOK:~ gleng$