fsrm: 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/fsrm - from package: python-fs

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

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