Operating System Commands and CPU Information

These flashcards cover key commands and concepts related to operating systems, particularly focusing on Linux command line tasks related to CPU and memory information.

/proc/cpuinfo

A virtual file in Linux that provides detailed information about the CPU, including model and speed.

/proc/meminfo

A virtual file in Linux that displays detailed information about system memory, including total, free, and cached memory.

Process ID (PID)

A unique identifier for a running process in a system.

Grep

A command-line utility for searching plain-text data for lines that match a regular expression.

Voluntary Context Switches

The number of times a process voluntarily yields control of the CPU to allow other processes to run.

Watch Command

A command that executes a specified command at regular intervals, displaying the output in the terminal.

Control-C

A keyboard shortcut used to interrupt a running command in the terminal.

Watch -n 1

A variation of the watch command that executes the specified command every second.

Paging and Segmentation

Memory management schemes that involve dividing memory into fixed-size pages or variable-sized segments.