Comptia A+ Core 2 - 1.9

Shell / Terminal

• Linux command-line interface

Samba

• Allows Unix based systems to emulate a Windows file and print server

• Free software implementation of the CIFS / SMB networking protocals…

APT (Advanced Packaging Tool)

• apt-get update

• apt-get upgrade

• apt-get install

• apt-get remove

• Linux - Command-line utility used to install, uninstall, and upgrade applications.

DNF (Dandified YUM)

• Linux - Command-line package manager for newer RedHat based distributions. (Replaced YUM)

/dev/sda

• Linux - Primary drive

/dev/sdb

• Linux - Secondary storage drive

man

• Linux - Display help for commands

man [command]

• Linux - Shows help for specific command

ls

• Linux - Lists files in a directory

pwd

• Linux - Displays current working directory

mv

• Linux - Move or rename a file

cp

• Linux - Copy a file

rm

• Linux - Remove a file (delete)

mkdir

• Linux - Create a new folder

du

• Linux - Command-line utility used to estimate and display the disk space used by files and directories

df

• Linux - Display information about the total space, used space, and available free drive space

ps

• Linux - Display list of running processes

top

• Linux - Displays running processses and resource usage

find

• Linux - Search for text in the file or directory

grep

• Linux - Search for string in a file

dig

• Linux - Troubleshoot DNS

cat

• Linux - Displays content of a file

nano

• Linux - Text editor

ip

• Linux - Display and configure NIC

chown

• Linux - Change owner and group of a file

chmod

• Linux - Change permissions of a file or folder

dd

• Copy partitions

sudo

• Linux - Executes a command as a super user (similar to admin)

su

• Linux - Become a super user until terminal session ends

fsck

• Linux - Used to check, report, and repair system files

traceroute

• Linux - Same as “tracert” for Windows

curl

• Linux - Command-line tool used to transfer data between a system and a server using different network protocols