wait41: 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/wait41 - from package: xrootd-server

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

Error in other languages:
wait41: bevel nie gevind nie
wait41: comandă negăsită
wait41: comando não encontrado
wait41: commande introuvable
wait41: command not found
wait41: käsku ei ole
wait41: không tìm thấy lệnh
wait41: komanda nerasta
wait41: Kommando nicht gefunden.
wait41: kommandot finns inte
wait41: komut yok
wait41: nie znaleziono polecenia
wait41: níor aimsíodh an t-ordú
wait41: no se encontró la orden
wait41: no s'ha trobat l'ordre
wait41: opdracht niet gevonden
wait41: parancs nem található
wait41: perintah tidak ditemukan
wait41: príkaz nenájdený
wait41: příkaz nenalezen
wait41: команда не найдена
wait41: командата не е открита
wait41: 命令找不到
wait41: コマンドが見つかりません