Linux FoundationsCommand Card Index
Use command cards when a quest or self-study guide names a command but you need the shape, purpose, or common failure mode.
Login And Orientation
- ssh
- whoami
- hostname
- date
- uptime
- pwd
- cd
- ls
- tree
- find
- cat
- bat
- less
- head
- tail
- man
- tldr
- history
- clear
- exit
Files, Editing, And Redirection
- touch
- mkdir
- rmdir
- cp
- mv
- rm
- micro
- echo
- printf
- redirection
- append redirection
- stderr redirection
- stderr to stdout
- tee
- chmod
- ls -l
- build-website
Streams, Search, And Processes
SSH, Packages, And Git
- ssh-keygen
- ssh-copy-id
- Get-Content
- apt search
- apt show
- git
- git init
- git status
- git diff
- git add
- git commit
- git log
- git remote
- git push
- git clone
Scripting And Control Flow
Networking And Services
- ping
- dig
- host
- curl
- curl -I
- curl -v
- diff
- nc
- python3 http.server
- caddy
- systemctl
- journalctl
- systemd timer
- systemctl list-timers
- cron
- crontab
- weechat
- id -u