dbrow: command not found

Have You tried accessing the binary with the full path?

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/dbrow - from package: perl-Fsdb

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