Fix six broken/redirected links in English page

README.md

@@ -168,7 +168,7 @@ EOF
 
 - Use `man ascii` for a good ASCII table, with hex and decimal values. For general encoding info, `man unicode`, `man utf-8`, and `man latin1` are helpful.
 
-- Use `screen` or [`tmux`](https://tmux.github.io/) to multiplex the screen, especially useful on remote ssh sessions and to detach and re-attach to a session. `byobu` can enhance screen or tmux by providing more information and easier management. A more minimal alternative for session persistence only is [`dtach`](https://github.com/bogner/dtach).
+- Use `screen` or [`tmux`](https://github.com/tmux/tmux/) to multiplex the screen, especially useful on remote ssh sessions and to detach and re-attach to a session. `byobu` can enhance screen or tmux by providing more information and easier management. A more minimal alternative for session persistence only is [`dtach`](https://github.com/crigler/dtach).
 
 - In ssh, knowing how to port tunnel with `-L` or `-D` (and occasionally `-R`) is useful, e.g. to access web sites from a remote server.
 
@@ -185,7 +185,7 @@ EOF
 
 - A few other options relevant to ssh are security sensitive and should be enabled with care, e.g. per subnet or host or in trusted networks: `StrictHostKeyChecking=no`, `ForwardAgent=yes`
 
-- Consider [`mosh`](https://mosh.mit.edu/) an alternative to ssh that uses UDP, avoiding dropped connections and adding convenience on the road (requires server-side setup).
+- Consider [`mosh`](https://mosh.org/) an alternative to ssh that uses UDP, avoiding dropped connections and adding convenience on the road (requires server-side setup).
 
 - To get the permissions on a file in octal form, which is useful for system configuration but not available in `ls` and easy to bungle, use something like
 ```sh
@@ -228,7 +228,7 @@ EOF
 
 - For YAML, use [`shyaml`](https://github.com/0k/shyaml).
 
-- For Excel or CSV files, [csvkit](https://github.com/onyxfish/csvkit) provides `in2csv`, `csvcut`, `csvjoin`, `csvgrep`, etc.
+- For Excel or CSV files, [csvkit](https://github.com/wireservice/csvkit) provides `in2csv`, `csvcut`, `csvjoin`, `csvgrep`, etc.
 
 - For Amazon S3, [`s3cmd`](https://github.com/s3tools/s3cmd) is convenient and [`s4cmd`](https://github.com/bloomreach/s4cmd) is faster. Amazon's [`aws`](https://github.com/aws/aws-cli) and the improved [`saws`](https://github.com/donnemartin/saws) are essential for other AWS-related tasks.
 
@@ -311,7 +311,7 @@ mkdir empty && rsync -r --delete empty/ some-dir && rmdir some-dir
 
 ## System debugging
 
-- For web debugging, `curl` and `curl -I` are handy, or their `wget` equivalents, or the more modern [`httpie`](https://github.com/jkbrzt/httpie).
+- For web debugging, `curl` and `curl -I` are handy, or their `wget` equivalents, or the more modern [`httpie`](https://github.com/jakubroztocil/httpie).
 
 - To know current cpu/disk status, the classic tools are `top` (or the better `htop`), `iostat`, and `iotop`. Use `iostat -mxz 15` for basic CPU and detailed per-partition disk stats and performance insight.
 
@@ -575,7 +575,7 @@ These items are relevant *only* on Windows.
 
 - Access the power of the Unix shell under Microsoft Windows by installing [Cygwin](https://cygwin.com/). Most of the things described in this document will work out of the box.
 
-- On Windows 10, you can use [Windows Subsystem for Linux (WSL)](https://msdn.microsoft.com/commandline/wsl/about), which provides a familiar Bash environment with Unix command line utilities.
+- On Windows 10, you can use [Windows Subsystem for Linux (WSL)](https://docs.microsoft.com/en-us/windows/wsl/about), which provides a familiar Bash environment with Unix command line utilities.
 
 - If you mainly want to use GNU developer tools (such as GCC) on Windows, consider [MinGW](http://www.mingw.org/) and its [MSYS](http://www.mingw.org/wiki/msys) package, which provides utilities such as bash, gawk, make and grep. MSYS doesn't have all the features compared to Cygwin. MinGW is particularly useful for creating native Windows ports of Unix tools.
 
@@ -610,7 +610,7 @@ These items are relevant *only* on Windows.
 - [Strict mode](http://redsymbol.net/articles/unofficial-bash-strict-mode/) for writing better shell scripts.
 - [shellcheck](https://github.com/koalaman/shellcheck): A shell script static analysis tool. Essentially, lint for bash/sh/zsh.
 - [Filenames and Pathnames in Shell](http://www.dwheeler.com/essays/filenames-in-shell.html): The sadly complex minutiae on how to handle filenames correctly in shell scripts.
-- [Data Science at the Command Line](http://datascienceatthecommandline.com/#tools): More commands and tools helpful for doing data science, from the book of the same name
+- [Data Science at the Command Line](http://datascienceatthecommandline.com/): More commands and tools helpful for doing data science, from the book of the same name
 
 ## Disclaimer