More doc about Bash

doc/bash.md

@@ -0,0 +1,7 @@
+# Articles
+- [6 Bash Tricks You Can Use Daily](https://medium.com/for-linux-users/6-bash-tricks-you-can-use-daily-a32abdd8b13)
+- [Navigate Your Unix Shell History Like a Boss](https://levelup.gitconnected.com/navigate-your-unix-shell-history-like-a-boss-5722ef45689f)
+- [15 Essential Linux Command Line Tips and Tricks](https://medium.com/better-programming/15-essential-linux-command-line-tips-and-tricks-95e2bfa2890f)
+- [7 Command-Line Tools That Make Your Life Easier](https://levelup.gitconnected.com/7-command-line-tools-that-make-your-life-easier-d69c38850d6c)
+- [Best Practices for Bash Scripts](https://medium.com/better-programming/best-practices-for-bash-scripts-17229889774d)
+- [Oh-My-Zsh! A Work of CLI Magic — Tutorial for Ubuntu](https://medium.com/wearetheledger/oh-my-zsh-made-for-cli-lovers-installation-guide-3131ca5491fb)

doc/cheatsheet.md

@@ -18,6 +18,12 @@ cd -
 sudo su
 ```
 
+### Bash
+```bash
+mv /path/readme.md{,.backup} # mv /path/readme.md /path/readme.md.backup
+
+```
+
 ### To explore
 - ag
 - fzf
@@ -36,10 +42,16 @@ usermod - modifu user account
 ### Tools
 - [ShellCheck](https://github.com/koalaman/shellcheck) A shell script static analysis tool
 - [direnv](https://direnv.net/) Directory specific variables
+- [cheat](https://github.com/cheat/cheat) 
+- [enhancd](https://github.com/b4b4r07/enhancd) A next-generation cd command with an interactive filter
+- [autojump](https://github.com/wting/autojump) A faster way to navigate your filesystem
+- [BAT](https://github.com/sharkdp/bat) [root.cz](https://www.root.cz/clanky/nahrada-utility-cat-nastrojem-bat-a-ccat/) Supports syntax highlighting for a large number of programming and markup languages
 - yq - YAML processor - jq wrapper for YAML documents
 - jq - JSON processor
 - tldr - basic command usage
 - thefuck
+- mount | column -t ; cat /etc/passwd | column -t -s :
+- awk '!seen[$0]++' # remove duplicate lines
 
 ## Kubernetes
 ```bash