Some good Linux articles

1. Using cut – Shellscript string manipulation
2. Linux find command
3. Advanced Bash-Scripting Guide - An in-depth exploration of the art of shell scripting (Mendel Cooper)
4. Linux: Recovering deleted /etc/shadow password file
5. Mommy, I found it! — 15 Practical Linux Find Command Examples
6. The Sort Command
7. vim search and replace
8. 100 Vim commands every programmer should know
9. Search for string and get count in VI editor
10. Linux tip: Bash test and comparison functions - Demystify test, [, [[, ((, and if-then-else