uptime
net statistics server
或是開windows task manager(工作管理員) > perforamnce(效能) > up time (存留時間)
linux
uptime
installation date
systeminfo | find “Original”systeminfo | find /i “Original”systeminfo | find “System Boot Time:”systeminfo | find /i “install date”
C:>wmic os get installdate
InstallDate
20141213185722.000000+480
linux
root@ubuntu:~# ls -ld /var/log/installer
drwxr-xr-x 3 root root 4096 Aug 16 09:17 /var/log/installer