~>                                          elf@host
 HISTORY (dedup on)                     Ctrl-D dedup
   3 echo "hello\nbye" > /tmp/x                    │
   4 from-lines < /tmp/x                           │
   5 cd /tmp                                        
   6 cd ~/elvish                                    
   7 git branch                                     
   8 git checkout .                                 
   9 git commit                                     
  19 git status                                     
  20 cd /usr/local/bin                              
  21 echo $pwd                                      
  22 * (+ 3 4) (- 100 94)                           
  31 make                                           
  32 math:min 3 1 30