How CentOS can view system Information

First, view the system version and core version

1. 1

   Log in to CentOS and start the terminal.

2. 2

   Login to the root account and enter Cat/etc/redhat-release to display the system version.

3. 3

   Enter Uname-r to query the kernel version.

   END

Second, view the usage of each partition

1. 1

   Enter Df-h to view the usage of each partition. Where the contents of the columns from left to right are:

   File system, total size, used size, remaining size, usage, mount point.

2. 2

   Enter Du-sh to view the space occupied by the current folder. Its function is equivalent to DU. -sh. When you enter the DU directory name-sh, you can see the size of the specified directory.

   END

Third, view the installed package

1. Enter Cat-n/root/install.log to display a list of packages installed when the system is installed.

2. Of course, you can also use the More/root/install.log split screen view.

3. Enter Rpm-qa, and you can see which packages have been installed so far.

How CentOS can view system Information