pfm: command not found

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On Debian possible default full paths are:

/usr/bin/pfm - from package: pfm

You may install the required package with command apt-get install {package}

Error in other languages:
pfm: bevel nie gevind nie
pfm: comandă negăsită
pfm: comando não encontrado
pfm: commande introuvable
pfm: command not found
pfm: käsku ei ole
pfm: không tìm thấy lệnh
pfm: komanda nerasta
pfm: Kommando nicht gefunden.
pfm: kommandot finns inte
pfm: komut yok
pfm: nie znaleziono polecenia
pfm: níor aimsíodh an t-ordú
pfm: no se encontró la orden
pfm: no s'ha trobat l'ordre
pfm: opdracht niet gevonden
pfm: parancs nem található
pfm: perintah tidak ditemukan
pfm: príkaz nenájdený
pfm: příkaz nenalezen
pfm: команда не найдена
pfm: командата не е открита
pfm: 命令找不到
pfm: コマンドが見つかりません