Merge remote-tracking branch 'origin/master' into personal

* origin/master:
  Fix (plugins debian and ubuntu): `apt-history list` using `zgrep` (ohmyzsh#5695)
  Precise Unix-based wording

README.md

@@ -20,7 +20,7 @@ To learn more, visit [ohmyz.sh](http://ohmyz.sh) and follow [@ohmyzsh](https://t
 
 __Disclaimer:__ _Oh My Zsh works best on macOS and Linux._
 
-* Unix-based operating system (macOS or Linux)
+* Unix-like operating system (macOS or Linux)
 * [Zsh](http://www.zsh.org) should be installed (v4.3.9 or more recent). If not pre-installed (`zsh --version` to confirm), check the following instruction here: [Installing ZSH](https://github.com/robbyrussell/oh-my-zsh/wiki/Installing-ZSH)
 * `curl` or `wget` should be installed
 * `git` should be installed

plugins/debian/debian.plugin.zsh

@@ -192,7 +192,7 @@ apt-history () {
         awk '{print $4"="$5}'
       ;;
     list)
-      zcat $(ls -rt /var/log/dpkg*)
+      zgrep --no-filename '' $(ls -rt /var/log/dpkg*)
       ;;
     *)
       echo "Parameters:"

plugins/ubuntu/ubuntu.plugin.zsh

@@ -108,7 +108,7 @@ apt-history () {
         awk '{print $4"="$5}'
       ;;
     list)
-      zcat $(ls -rt /var/log/dpkg*)
+      zgrep --no-filename '' $(ls -rt /var/log/dpkg*)
       ;;
     *)
       echo "Parameters:"