recset: 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/recset - from package: recutils

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

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