Systems and Network Programming - Helpful Linux Info

This set of flashcards covers key terms and commands related to Linux systems and network programming as discussed in the lecture.

man

Enter the Manual Page application for a command.

whatis

Shows a summary for a command's man page.

whereis

Finds path(s) to a file or application.

apropos

Finds man pages that contain a keyword.

which

Tells which instance of an executable will run, showing its location.

clear

Clears the terminal screen.

pwd

Displays the path of the current (working) directory.

cd

Changes to a specified path.

mkdir

Creates a new directory.

cp

Copies files or directories from source to destination.

mv

Moves or renames files.

rm

Deletes specified files.

ls

Displays a listing of directory contents.

su

Impersonates another account.

sudo

Elevates privileges to root for a single operation.

whoami

Displays the current user account.

cat

Concatenates and displays contents of files.

grep

Searches for lines matching a specified regular expression.

find

Recursively searches for files matching a pattern.

history

Shows command line history.

alias

Displays a list of all aliases defined in configuration files.

top

Displays a dynamic list of processes with resource usage statistics.

kill

Terminates a specified process by its ID.

apt-get

Package management command to install, update, or remove software.

command1; command2

Runs several commands sequentially.

command1 && command2

Executes command2 only if command1 succeeds.

command1 | command2

Connects the stdout of command1 to the stdin of command2.

set -o noclobber

Prevents overwriting existing files when redirecting output.