Cron job useful commands

// Schedule
vim /etc/crontab

// Check cron job status

tail -f /var/log/syslog

grep cron /var/log/syslog

https://askubuntu.com/questions/85558/verify-if-crontab-works

      tail - output the last part of files



SYNOPSIS
       tail [OPTION]... [FILE]...



DESCRIPTION
       Print the last 10 lines of each FILE to standard output.  With more than one FILE, precede
       each with a header giving the file name.

       With no FILE, or when FILE is -, read standard input.

       Mandatory arguments to long options are mandatory for short options too.

       -c, --bytes=[+]NUM
              output the last NUM bytes; or use -c +NUM to output starting with byte NUM of  each
              file

       -f, --follow[={name|descriptor}]
              output appended data as the file grows;


http://manpages.ubuntu.com/manpages/cosmic/man1/tail.1.html