The first two lines of /proc/meminfo contain a wealth of information about the system's memory, including the total amount readily accessible (in kb) and the amount free.
What is proc directory?
- The /proc/ directory, also known as the proc file system, contains a hierarchy of special files that represent the current state of the kernel, allowing applications and users to see the system through the kernel's eyes.
- The proc file system serves as an interface to the kernel's internal data structures.
- It can be used to obtain system information and to modify certain kernel variables at runtime (sysctl).
- If users list a directories, you will notice that there is a dedicated directory for each PID of a process. Examine the bolded process with PID=7494 to see if it has an entry in the /proc file system. Command line arguments are output.
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