lintopvf: 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 CentOS possible default full paths are:

/usr/bin/lintopvf - from package: mgetty-voice

You may install the required package with command yum install {package}

On Debian possible default full paths are:

/usr/bin/lintopvf - from package: mgetty-pvftools

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

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