6. Miscellaneous

6.1. Property list utility

Read property list files:

$ plutil -p *.plist

Print the path of the active developer directory:

$ xcode-select -p

Open a dialog for installation of the command line developer tools:

$ xcode-select --install

Create a disk image:

$ hdiutil makehybrid -o "dir.udf" -udf "dir/"

Mount a ISO image:

$ hdiutil mount xxxx.iso

Print indexing status:

$ sudo mdutil -s "/Volumes/LAS_256G"

Turn off indexing:

$ sudo mdutil -i off -d "/Volumes/LAS_256G"
$ sudo mdutil -X "/Volumes/LAS_256G"

$ cd ~/Library/Mobile\ Documents/com\~apple\~CloudDocs/

See flags of files:

$ ls -lO

Remove hidden (hide from GUI) flag:

$ chflags nohidden xxxx-file

Add hidden flag:

$ chflags hidden .msdb

Show all groups and their members:

sudo dscl . -list /groups GroupMembership

Add user _www to group staff:

sudo dscl . -append /Groups/staff GroupMembership _www

Delete user _www from group staff:

sudo dscl . -delete /Groups/staff GroupMembership _www