Linux Command Line Flashcards
CompTIA A+ 220-1202 (V15) Flashcards
| Front | Back |
| Archive files and directories into a tarball | tar |
| Change directories | cd |
| Compress files with gzip | gzip |
| Concatenate and display file contents | cat |
| Configure network settings | ifconfig |
| Configure wireless networking settings | iwconfig |
| Copy a file or directory | cp |
| Create a hard or symbolic link | ln |
| Create a new directory | mkdir |
| Create an empty file or update its timestamp | touch |
| Decompress gzip files | gunzip |
| Delete a file or directory | rm |
| Display disk usage of files and directories | du |
| Display memory usage | free |
| Display the manual page for a command | man |
| Download files from the web | wget |
| Find files by name in a directory tree | find |
| Follow file changes in real-time | tail -f |
| Get the current working directory of a shell | pwd |
| List contents of a directory | ls |
| List the beginning of a file | head |
| List the end of a file | tail |
| Lists processes | ps |
| Locate files using a database | locate |
| Move a file | mv |
| Remove an empty directory | rmdir |
| Searches a file or input for particular characters | grep |
| Securely copy files over SSH | scp |
| Set a user's password | passwd |
| Sets permissions of files or directories | chmod |
| Sets the owner of files or directories | chown |
| Show disk space usage | df |
| Stop a running process | kill |
| Text editor that is infamous for being impossible to exit | vi |
| Turn off or power off | shutdown |
| Ubuntu package manager | apt-get |
| Used to run subcommands as root (admin) | sudo |
| Used to switch users in a shell | su |
| View running processes dynamically | top |
About the Flashcards
Flashcards for the CompTIA A+ exam provide quick, focused review of essential Linux command-line commands and concepts. Cards cover core shell navigation (ls, cd, pwd), file and directory operations (cp, mv, rm, mkdir, rmdir, ln, touch), permission and ownership tools (chmod, chown, passwd), and common utilities for viewing files and manuals (cat, head, tail, man).
They also reinforce process and system management (ps, top, kill, shutdown, free, df, du), networking and transfer tools (ifconfig, iwconfig, scp, wget), package management (apt-get), archiving and compression (tar, gzip, gunzip), and basic editor familiarity (vi). Use the deck to master terminology, command purposes, and key ideas likely tested on the exam.
Topics covered in this flashcard deck:
- Basic shell navigation
- File and directory commands
- Permissions and ownership
- Process monitoring and control
- Networking and file transfer
- Archiving and compression