Feb  5 12:50:46 MacBookAir.local sudo[342]:     Till : TTY=ttys000 ; PWD=/Users ; USER=root ; COMMAND=/usr/sbin/apachectl start
Feb  5 13:00:44 MacBookAir.local sudo[644]:     Till : TTY=ttys000 ; PWD=/Users ; USER=root ; COMMAND=/usr/bin/grep apache /var/log/system.log

----------------------------------------------------------------------

22634    com.apple.launchd                1        org.apache.httpd         743       Job is active: PID is still valid
22779    com.apple.launchd                1        org.apache.httpd         743       Stopping job...
22871    com.apple.launchd                1        org.apache.httpd         743       Sent job SIGTERM.
22877    com.apple.launchd                1        org.apache.httpd         743       Job was sent SIGTERM.
184209   com.apple.launchd                1        org.apache.httpd         743       Job is active: PID is still valid
184213   com.apple.launchd                1        org.apache.httpd         743       Job was sent SIGTERM.
185426   com.apple.launchd                1        org.apache.httpd         743       Job is active: PID is still valid
185428   com.apple.launchd                1        org.apache.httpd         743       Job was sent SIGTERM.
185897   com.apple.launchd                1        org.apache.httpd         743       Job is active: PID is still valid
185899   com.apple.launchd                1        org.apache.httpd         743       Job was sent SIGTERM.

*snip*

282105   com.apple.launchd                1        org.apache.httpd         743       Job is active: PID is still valid
282109   com.apple.launchd                1        org.apache.httpd         743       Job was sent SIGTERM.
282356   com.apple.launchd                1        org.apache.httpd         743       Job is active: PID is still valid
282359   com.apple.launchd                1        org.apache.httpd         743       Job was sent SIGTERM.
282570   com.apple.launchd                1        org.apache.httpd         743       Job is active: PID is still valid
282574   com.apple.launchd                1        org.apache.httpd         743       Job was sent SIGTERM.
282682   com.apple.launchd                1        org.apache.httpd         743       Dispatching kevent callback.
282685   com.apple.launchd                1        org.apache.httpd         743       EVFILT_PROC event for job.
282688   com.apple.launchd                1        org.apache.httpd         743       Reaping
282694   com.apple.launchd                1        org.apache.httpd         743       Job exited cleanly.
282723   com.apple.launchd                1        org.apache.httpd         743       Exited 0.255248 seconds after the first signal was sent
282729   com.apple.launchd                1        org.apache.httpd         0         Exited while shutdown in progress. Processes remaining: 15/1
282733   com.apple.launchd                1        org.apache.httpd         0         Job is useless. Removing.
282741   com.apple.launchd                1        org.apache.httpd         0         Removed