There are several ways to find out information about a Unix system, including the following:
uname command: The uname command displays information about the system, including the operating system name, the hostname, and the kernel version.uname -a
lsb_release command: The lsb_release command displays information about the Linux distribution, including the distribution name and version.lsb_release -a
hostname command: The hostname command displays the hostname of the system.hostname
uptime command: The uptime command displays the uptime of the system, as well as the load average over the past 1, 5, and 15 minutes.uptime
free command: The free command displays information about the system's memory usage.free -m
df command: The df command displays information about the system's disk usage.df -h
cat /etc/*release: The /etc/*release files contain information about the operating system and distribution. You can use the cat command to view the contents of these files.cat /etc/*release