added launchctl

sheets/launchctl

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+#  launchctl
+
+# A command-line interface to Apple's launchd manager
+# for launch daemons (system-wide services) and launch agents (per-user programs).
+# launchd loads XML-based *.plist files placed in the appropriate locations,
+# and runs the corresponding commands according to their defined schedule.
+
+# Activate a user-specific agent to be loaded into launchd
+# whenever the user logs in:
+launchctl load ~/Library/LaunchAgents/my_script.plist
+
+# Activate an agent which requires root privileges to run 
+# and/or should be loaded whenever any user logs in (note the absence of ~ in the path):
+sudo launchctl load /Library/LaunchAgents/root_script.plist
+
+# Activate a system-wide daemon to be loaded 
+# whenever the system boots up (even if no user logs in):
+sudo launchctl load /Library/LaunchDaemons/system_daemon.plist
+
+# Show all loaded agents/daemons, with the PID if the process they specify is currently running,
+# and the exit code returned the last time they ran:
+launchctl list
+
+# Unload a currently loaded agent, e.g. to make changes
+# (note: the plist file is automatically loaded into launchd after a reboot and/or logging in):
+launchctl unload ~/Library/LaunchAgents/my_script.plist
+
+# Manually run a known (loaded) agent/daemon, even if it isn’t the right time
+# (note: this command uses the agent's label, rather than the filename):
+launchctl start my_script
+
+# Manually kill the process associated with a known agent/daemon, if it's running:
+launchctl stop my_script
+

sheets/scrot

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+# GUI screenshot tool for taking, editing screenshots
+
+# Take screenshot of the current window
+scrot -u
+
+# Take screenshot of the current window including border
+scrot -ub
+
+# Interactively select a window or rectangle with the mouse
+scrot -s
+
+# Capture the screenshot after 5 seconds, display countdown time
+scrot -u -d 5 -c