dircolors: add page (#2422)

pages/linux/dircolors.md

@@ -0,0 +1,23 @@
+# dircolors
+
+> Output commands to set the LS_COLOR environment variable and style `ls`, `dir`, etc.
+
+- Output commands to set LS_COLOR using default colors:
+
+`dircolors`
+
+- Output commands to set LS_COLOR using colors from a file:
+
+`dircolors {{file}}`
+
+- Output commands for Bourne shell:
+
+`dircolors --bourne-shell`
+
+- Output commands for C shell:
+
+`dircolors --c-shell`
+
+- View the default colors for file types and extensions:
+
+`dircolors --print-data`