The sar command can provide detailed system metrics on just about every aspect of system performance. You can query it on as as-needed basis or set it up to provide daily reports. Sar is a system ...

I used Linux OS (Red Hat 7.1) when my computer accidentally lost power. So I reboot my computer. When the Linux was booting it 'checking file system' and I saw the 'Failed message' . It asked me for ...

For proper functioning Windows installs some essential system files on your computer. These files are stored in the Windows installation directory and are very important to the Windows operating ...