linux下常有命令

1.grep MemTotal /proc/meminfo  查看物理内存大小。

2.grep SwapTotal /proc/meminfo 查看Swap Space。

3.To determine the available RAM and swap space, enter the following command:
# free

4.To determine the distribution and version of Linux installed, enter the following
command:
# cat /proc/version

5.To determine whether the required kernel is installed, enter the following command:
# uname -r