diff --git a/docs/parsers/netstat.md b/docs/parsers/netstat.md
index a5c7a0c0..5bf2013f 100644
--- a/docs/parsers/netstat.md
+++ b/docs/parsers/netstat.md
@@ -4,6 +4,9 @@ jc - JSON CLI output utility netstat Parser
 Usage:
     Specify --netstat as the first argument if the piped input is coming from netstat
 
+Compatibility:
+    'linux'
+
 Examples:
 
     $ sudo netstat -apee | jc --netstat -p
diff --git a/docs/parsers/ps.md b/docs/parsers/ps.md
index e6042c1d..9f90a84d 100644
--- a/docs/parsers/ps.md
+++ b/docs/parsers/ps.md
@@ -8,6 +8,9 @@ Usage:
     - ef
     - axu
 
+Compatibility:
+    'linux', 'darwin', 'cygwin', 'aix', 'freebsd'
+
 Examples:
 
     $ ps -ef | jc --ps -p
diff --git a/docs/parsers/route.md b/docs/parsers/route.md
index 8de6d98b..a1a34033 100644
--- a/docs/parsers/route.md
+++ b/docs/parsers/route.md
@@ -4,6 +4,9 @@ jc - JSON CLI output utility route Parser
 Usage:
     specify --route as the first argument if the piped input is coming from route
 
+Compatibility:
+    'linux'
+
 Examples:
 
     $ route -ee | jc --route -p
diff --git a/docs/parsers/ss.md b/docs/parsers/ss.md
index ece7a0d3..01b078d9 100644
--- a/docs/parsers/ss.md
+++ b/docs/parsers/ss.md
@@ -7,6 +7,9 @@ Usage:
 Limitations:
     Extended information options like -e and -p are not supported and may cause parsing irregularities
 
+Compatibility:
+    'linux'
+
 Examples:
 
       $ sudo ss -a | jc --ss -p
diff --git a/docs/parsers/stat.md b/docs/parsers/stat.md
index 4426e226..da13b9c8 100644
--- a/docs/parsers/stat.md
+++ b/docs/parsers/stat.md
@@ -2,7 +2,10 @@
 jc - JSON CLI output utility stats Parser
 
 Usage:
-    specify --stats as the first argument if the piped input is coming from stats
+    specify --stat as the first argument if the piped input is coming from stat
+
+Compatibility:
+    'linux'
 
 Examples:
 
diff --git a/docs/parsers/systemctl.md b/docs/parsers/systemctl.md
index 32682f5f..c5a37fce 100644
--- a/docs/parsers/systemctl.md
+++ b/docs/parsers/systemctl.md
@@ -4,6 +4,9 @@ jc - JSON CLI output utility systemctl Parser
 Usage:
     specify --systemctl as the first argument if the piped input is coming from systemctl
 
+Compatibility:
+    'linux'
+
 Examples:
 
     $ systemctl -a | jc --systemctl -p
diff --git a/docs/parsers/systemctl_lj.md b/docs/parsers/systemctl_lj.md
index 6d6515a7..34ce3a63 100644
--- a/docs/parsers/systemctl_lj.md
+++ b/docs/parsers/systemctl_lj.md
@@ -4,6 +4,9 @@ jc - JSON CLI output utility systemctl-lj Parser
 Usage:
     specify --systemctl-lj as the first argument if the piped input is coming from systemctl list-jobs
 
+Compatibility:
+    'linux'
+
 Examples:
 
     $ systemctl list-jobs| jc --systemctl-lj -p
diff --git a/docs/parsers/systemctl_ls.md b/docs/parsers/systemctl_ls.md
index 03f5f935..7540e4d6 100644
--- a/docs/parsers/systemctl_ls.md
+++ b/docs/parsers/systemctl_ls.md
@@ -4,6 +4,9 @@ jc - JSON CLI output utility systemctl-ls Parser
 Usage:
     specify --systemctl-ls as the first argument if the piped input is coming from systemctl list-sockets
 
+Compatibility:
+    'linux'
+
 Examples:
 
     $ systemctl list-sockets | jc --systemctl-ls -p
diff --git a/docs/parsers/systemctl_luf.md b/docs/parsers/systemctl_luf.md
index 65b5705d..7a7377cf 100644
--- a/docs/parsers/systemctl_luf.md
+++ b/docs/parsers/systemctl_luf.md
@@ -4,6 +4,9 @@ jc - JSON CLI output utility systemctl-luf Parser
 Usage:
     specify --systemctl-luf as the first argument if the piped input is coming from systemctl list-unit-files
 
+Compatibility:
+    'linux'
+
 Examples:
 
     $ systemctl list-unit-files | jc --systemctl-luf -p
diff --git a/docs/parsers/uname.md b/docs/parsers/uname.md
index ab725922..aad4fbf5 100644
--- a/docs/parsers/uname.md
+++ b/docs/parsers/uname.md
@@ -7,6 +7,9 @@ Usage:
 Limitations:
     must use 'uname -a'
 
+Compatibility:
+    'linux'
+
 Example:
 
     $ uname -a | jc --uname -p
diff --git a/docs/parsers/uptime.md b/docs/parsers/uptime.md
index deabc3a3..c0cdf512 100644
--- a/docs/parsers/uptime.md
+++ b/docs/parsers/uptime.md
@@ -4,6 +4,9 @@ jc - JSON CLI output utility uptime Parser
 Usage:
     specify --uptime as the first argument if the piped input is coming from uptime
 
+Compatibility:
+    'linux', 'darwin', 'cygwin', 'aix', 'freebsd'
+
 Example:
 
     $ uptime | jc --uptime -p
diff --git a/docs/parsers/w.md b/docs/parsers/w.md
index b937ad0f..db77099a 100644
--- a/docs/parsers/w.md
+++ b/docs/parsers/w.md
@@ -4,6 +4,9 @@ jc - JSON CLI output utility w Parser
 Usage:
     specify --w as the first argument if the piped input is coming from w
 
+Compatibility:
+    'linux', 'darwin', 'cygwin', 'aix', 'freebsd'
+
 Examples:
 
     $ w | jc --w -p
diff --git a/jc/parsers/netstat.py b/jc/parsers/netstat.py
index 5d077df6..9f13ab92 100644
--- a/jc/parsers/netstat.py
+++ b/jc/parsers/netstat.py
@@ -3,6 +3,9 @@
 Usage:
     Specify --netstat as the first argument if the piped input is coming from netstat
 
+Compatibility:
+    'linux'
+
 Examples:
 
     $ sudo netstat -apee | jc --netstat -p
diff --git a/jc/parsers/ps.py b/jc/parsers/ps.py
index 59646729..e6bea9db 100644
--- a/jc/parsers/ps.py
+++ b/jc/parsers/ps.py
@@ -7,6 +7,9 @@ Usage:
     - ef
     - axu
 
+Compatibility:
+    'linux', 'darwin', 'cygwin', 'aix', 'freebsd'
+
 Examples:
 
     $ ps -ef | jc --ps -p
diff --git a/jc/parsers/route.py b/jc/parsers/route.py
index dafb5ded..acb6cdd3 100644
--- a/jc/parsers/route.py
+++ b/jc/parsers/route.py
@@ -3,6 +3,9 @@
 Usage:
     specify --route as the first argument if the piped input is coming from route
 
+Compatibility:
+    'linux'
+
 Examples:
 
     $ route -ee | jc --route -p
@@ -151,7 +154,7 @@ def parse(data, raw=False, quiet=False):
     """
 
     # compatible options: linux, darwin, cygwin, win32, aix, freebsd
-    compatible = ['linux', 'aix', 'freebsd']
+    compatible = ['linux']
 
     if not quiet:
         jc.utils.compatibility(__name__, compatible)
diff --git a/jc/parsers/ss.py b/jc/parsers/ss.py
index 00fc21d4..e2962bc7 100644
--- a/jc/parsers/ss.py
+++ b/jc/parsers/ss.py
@@ -6,6 +6,9 @@ Usage:
 Limitations:
     Extended information options like -e and -p are not supported and may cause parsing irregularities
 
+Compatibility:
+    'linux'
+
 Examples:
 
       $ sudo ss -a | jc --ss -p
diff --git a/jc/parsers/stat.py b/jc/parsers/stat.py
index fd5a4f8e..28d4422a 100644
--- a/jc/parsers/stat.py
+++ b/jc/parsers/stat.py
@@ -1,7 +1,10 @@
 """jc - JSON CLI output utility stats Parser
 
 Usage:
-    specify --stats as the first argument if the piped input is coming from stats
+    specify --stat as the first argument if the piped input is coming from stat
+
+Compatibility:
+    'linux'
 
 Examples:
 
diff --git a/jc/parsers/systemctl.py b/jc/parsers/systemctl.py
index 7a589fc8..f6975f88 100644
--- a/jc/parsers/systemctl.py
+++ b/jc/parsers/systemctl.py
@@ -3,6 +3,9 @@
 Usage:
     specify --systemctl as the first argument if the piped input is coming from systemctl
 
+Compatibility:
+    'linux'
+
 Examples:
 
     $ systemctl -a | jc --systemctl -p
diff --git a/jc/parsers/systemctl_lj.py b/jc/parsers/systemctl_lj.py
index bd1450f9..147f7727 100644
--- a/jc/parsers/systemctl_lj.py
+++ b/jc/parsers/systemctl_lj.py
@@ -3,6 +3,9 @@
 Usage:
     specify --systemctl-lj as the first argument if the piped input is coming from systemctl list-jobs
 
+Compatibility:
+    'linux'
+
 Examples:
 
     $ systemctl list-jobs| jc --systemctl-lj -p
diff --git a/jc/parsers/systemctl_ls.py b/jc/parsers/systemctl_ls.py
index eab65bff..f13bdf7c 100644
--- a/jc/parsers/systemctl_ls.py
+++ b/jc/parsers/systemctl_ls.py
@@ -3,6 +3,9 @@
 Usage:
     specify --systemctl-ls as the first argument if the piped input is coming from systemctl list-sockets
 
+Compatibility:
+    'linux'
+
 Examples:
 
     $ systemctl list-sockets | jc --systemctl-ls -p
diff --git a/jc/parsers/systemctl_luf.py b/jc/parsers/systemctl_luf.py
index 9b8e4aff..44e224ca 100644
--- a/jc/parsers/systemctl_luf.py
+++ b/jc/parsers/systemctl_luf.py
@@ -3,6 +3,9 @@
 Usage:
     specify --systemctl-luf as the first argument if the piped input is coming from systemctl list-unit-files
 
+Compatibility:
+    'linux'
+
 Examples:
 
     $ systemctl list-unit-files | jc --systemctl-luf -p
diff --git a/jc/parsers/uname.py b/jc/parsers/uname.py
index da28c922..3d9fa8a8 100644
--- a/jc/parsers/uname.py
+++ b/jc/parsers/uname.py
@@ -6,6 +6,9 @@ Usage:
 Limitations:
     must use 'uname -a'
 
+Compatibility:
+    'linux'
+
 Example:
 
     $ uname -a | jc --uname -p
diff --git a/jc/parsers/uptime.py b/jc/parsers/uptime.py
index 4c234780..a888eff6 100644
--- a/jc/parsers/uptime.py
+++ b/jc/parsers/uptime.py
@@ -3,6 +3,9 @@
 Usage:
     specify --uptime as the first argument if the piped input is coming from uptime
 
+Compatibility:
+    'linux', 'darwin', 'cygwin', 'aix', 'freebsd'
+
 Example:
 
     $ uptime | jc --uptime -p
diff --git a/jc/parsers/w.py b/jc/parsers/w.py
index 65c0f866..a5f23d0d 100644
--- a/jc/parsers/w.py
+++ b/jc/parsers/w.py
@@ -3,6 +3,9 @@
 Usage:
     specify --w as the first argument if the piped input is coming from w
 
+Compatibility:
+    'linux', 'darwin', 'cygwin', 'aix', 'freebsd'
+
 Examples:
 
     $ w | jc --w -p