Gordon Davisson questions

Gordon Davisson answers

• How to portability use "${@:2}"?
• How does bash tell scripts and executables apart?
• How to combine ifconfig with openssl to change MAC address
• How can I write if/else with Boolean in Bash? [duplicate]
• Do I need an Apple Developer Account in order to avoid the Gatekeeper warning?
• How to add a directory to the $PATH variable with macosx leopard
• Flushing preference cache with killall cfprefsd causing excessive wake ups on OS X 10.9.5
• aws cli s3 sync: how to exclude multiple files
• Bash subshell consumes stdin of the parent process
• Why does wc output different padding spaces depending on how stdin is connected?