fc, pwd: add examples (#7284)

pages/common/fc.md

@@ -15,3 +15,11 @@
 - List recent commands from history:
 
 `fc -l`
+
+- List recent commands in reverse order:
+
+`fc -r`
+
+- List commands in a given interval:
+
+`fc '{{416}}' '{{420}}'`

pages/common/pwd.md

@@ -9,4 +9,8 @@
 
 - Print the current directory, and resolve all symlinks (i.e. show the "physical" path):
 
-`pwd -P`
+`pwd --physical`
+
+- Print the current logical directory:
+
+`pwd --logical`