diff --git a/docs/linux/common.md b/docs/linux/common.md
index 0167edf..064ed56 100644
--- a/docs/linux/common.md
+++ b/docs/linux/common.md
@@ -20,7 +20,7 @@ export EDITOR=mcedit
 export HISTFILESIZE=10485760
 export HISTSIZE=500000
 export HISTCONTROL=ignoreboth:erasedups
-export HISTIGNORE="history:reboot:poweroff:cd:ls:pwd:mc:ps:m:e:l:z:zz:zzz"
+export HISTIGNORE="history:reboot:poweroff:killall:cd:ls:pwd:mc:ps:du:df:m:e:l:ce:z:zz:zzz"
 export SSH_ASKPASS=
 
 # PS1 Green