jumpshot: 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/lib64/mpich2/bin/jumpshot - from package: mpich2-devel
/usr/lib/mpich2/bin/jumpshot - from package: mpich2-devel
/usr/lib64/mvapich/bin/jumpshot - from package: mvapich
/usr/lib/mvapich/bin/jumpshot - from package: mvapich

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

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