Original: http://www.nixtutor.com/linux/all-the-best-linux-cheat-sheets/
1. Linux Command Line
Linux Reference card-great Reference published on Fosswire website
One page Linux manual-great one page reference to the most popular Linux commands
Unix Tool Box-an Incredibly exhaustive reference for all things Linux.
Treebeard ' s Unix Cheat sheet-a great reference with Dos comparisons
Terminal shortcuts-cheat Sheet for the most common Terminal shortcuts
More Terminal Shortcuts-more shortcuts for history and X
2. Linux Security
Linux security Quick Reference guide-an Awesome security checklist Reference
IP tables-if Interested in Linux firewalls This is a must has
Tcpdump-great cheat sheet to an awesome security tool
Wireshark Filters-an Awesome list of Filters for the best packet sniffing utility
IP Access lists-cheat sheet for IP access Lists
Common ports-in case you don ' t has all Common Ports memorized
Netcat-reference to the Swiss Army Knife of networking
3. Linux Administration
4. Gnome/kde
5. Sed/awk/vim and other tools
Vi Cheat sheet-who doesn ' t love vi/vim. Also Check out my guest post on Vim.
Concise Vim Cheat Sheet
awk Nawk and gawk cheat Sheet-awesome awk sheet, also check out awk is a beautiful tool
Sed Stream Editor Cheat sheet-savvy sed
Screen Quick Reference-quick Reference to a must has screen emulator, Also check out Introduction to GNU screen
Screen Terminal Emulator Cheat sheet-pdf Cheat Sheet for screen
Vi/vim Cheat sheet-nice vim/vi Keyboard Layout reference
6. Distro Specific
7. Everything Else
- Online man pages-the Ultimate Cheat sheet Repository. Also use the 'Man ' command.
[Reprint] Linux Quick check table