Vifm

:sync

Filter or find files under current directory

:!find -L -name "*.csv" %u | grep "72\|82" | grep si 

Go to shell

s

Diff 2 files, between 2 panes

:diff

Change dirs

:cd or :cd ~ or :cd $HOME  " change to home directory.  
:cd - " go to the last visited directory.  
:cd ~/dir  " change directory to ~/dir.  
:cd /curr/dir /other/dir  " change directory of the current pane to /curr/dir and directory of the other pane to /other/dir.
:cd! /dir  " same as :cd /dir /dir.  
:cds 
:cds[!] pattern string " navigate to path obtained by substituting first match in current path. Available flags: i - ignore case, I - don't ignore case
:cds[!]/pattern/string/[flags] " same as above, but with :substitute-like syntax.