Shell

Type

• GNU Bash
• Zsh : Zsh is a shell designed for interactive use, although it is also a powerful scripting language.
  • Oh-My-Zsh : Oh-My-Zsh is an open source, community-driven framework for managing your ZSH configuration. It comes bundled with a ton of helpful functions, helpers, plugins, themes, and a few things that make you shout...
• Fish Shell : Finally, a command line shell for the 90s

Explain

• Explain Shell : write down a command-line to see the help text that matches each argument
• Extract it! : 1. Enter archiv filename (.tar, .tar.bz, etc.) 2. Copy command 3. Extract
• Bash Command : An A-Z Index of the Bash command line for Linux.

Tutorial

• The Bash Guide
• The art of command line
• Unix Shells: Bash, Fish, Ksh, Tcsh, Zsh
• Stronger Shell
• awesome-osx-command-line
• The Command Line Crash Course
• Linux Command Shelf
• Learning the shell
• Bash Guide : the new version of this is
• Bash Pitfalls : This page shows common errors that Bash programmers make. These examples are all flawed in some way.
• Bash Reference Sheet
• Google Shell Style Guide
• Shell 教程

sed & awk

• SED & AWK by 董伟明

Books

• Bash Guide for Beginners by Machtelt Garrels
• BASH Programming - Introduction HOW-TO : by Mike G mikkey at dynamo.com.ar
• Advanced Bash-Scripting Guide.ABS : An in-depth exploration of the art of shell scripting by Mendel Cooper
• The Linux Command Line
• 快乐的 Linux 命令行 : The Linux Command Line 的中文版
• Linux Shell Scripting Tutorial (LSST) v2.0

Resources

• Awesome Shell
• CommandLineFu : commandlinefu.com is the place to record those command-line gems that you return to again and again.

Scripts

• pixelb/scripts : Various (LGPLv2) scripts that I've created (ordered by popularity). These have only been tested on linux, but most should work on any UNIX.

Vedio

• ASCII Nema : Record and share your terminal sessions, the right way.
• showterm : Showterm lets your record a terminal session exactly as you experience it, right down to the syntax highlighting.

Tool

• transfer.sh : Easy file sharing from the command line
• tmate : Instant terminal sharing
• gotty : Share your terminal as a web application
• Teleconsole : Command line tool to share your UNIX terminal and forward local TCP ports to people you trust.
• termshare : Quick and easy terminal sharing.
• Linuxbrew: The Homebrew package manager for Linux

Examples

计算圆周率后一万位所需要的时间

time echo "scale=10000; 4*a(1)" | bc -l -q

------------------
以下是成绩
树莓派 3B 博通 BCM2837B0
bc -l -q 475.68s user 0.00s system 99% cpu 7:55.68 total

树莓派 4B 博通 BCM2711
bc -l -q 221.00s user 0.00s system 99% cpu 3:41.88 total

腾讯云 E5-26xx v4
bc -l -q 127.81s user 0.05s system 98% cpu 2:09.55 total
bc -l -q 127.35s user 0.05s system 98% cpu 2:09.15 total

机房 Gold 6144
bc -l -q 84.19s user 0.34s system 99% cpu 1:24.19 total

macOS 7820HQ
bc -l -q 111.12s user 0.34s system 99% cpu 1:51.89 total
bc -l -q 111.44s user 0.38s system 99% cpu 1:52.26 total

Ubuntu 2600x
bc -l -q 94.46s user 0.01s system 99% cpu 1:34.50 total
bc -l -q 95.92s user 0.00s system 99% cpu 1:35.96 total

Ubuntu 3700x
bc -l -q 84.94s user 0.00s system 99% cpu 1:24.95 total
bc -l -q 83.09s user 0.01s system 99% cpu 1:23.11 total