Linux - Cat

The following is a Linux dictionary word of the day:

cat – is short for catenate and used to display content, usually from file and directories.

/proc/ is a virtual file system that contains information about process and system information.

/proc/meminfo – information related to the memory in the system.

/proc/uptime – shows number of seconds the system is up and running. The second value in the listing shows the total number of idle seconds for each central processing unit (CPU).

Examples:

cat /proc/

cat /proc/meminfo

cat /proc/uptime