#macos
24 solutions
Send a fixed number of ICMP echo requests and read the RTT min/avg/max summary and packet loss.
Look up A, MX or TXT records for any domain and test against a specific DNS server like 8.8.8.8.
Make held keys repeat like on a PC instead of showing the diacritics chooser, using ApplePressAndHoldEnabled.
Use the built-in ssh client to open a secure shell on another Mac, Linux box or server.
Use `defaults write` on InitialKeyRepeat and KeyRepeat to type faster than the System Settings sliders permit.
Set autohide-delay and autohide-time-modifier so the hidden Dock appears immediately when you move the cursor to the screen edge.
Turn off show-recents so the Dock no longer reserves a row for recently used apps.
Write DSDontWriteNetworkStores and DSDontWriteUSBStores so Finder skips creating .DS_Store on non-local volumes.
Screenshot an exact x,y,width,height rectangle silently, ideal for scripts and repeatable documentation shots.
Turn off spelling autocorrect, auto-capitalization and double-space-to-period via NSGlobalDomain defaults keys.
Read the power management event log to see sleep and wake reasons, e.g. lid, keyboard, network or Bluetooth.
Use FXPreferredViewStyle to make new Finder windows open in list, column or gallery view instead of icons.