$ tail /var/log/syslog
Oct 19 14:25:01 nuc CRON[19939]: (CRON) error (can't fork)
Oct 19 14:25:01 nuc cron[719]: /usr/sbin/sendmail: Resource temporarily unavailable

time(seconds)        unlimited
file(blocks)         unlimited
data(kbytes)         unlimited
stack(kbytes)        8192
coredump(blocks)     0
memory(kbytes)       unlimited
locked memory(kbytes) 64
process              999999
nofiles              999999
vmemory(kbytes)      unlimited
locks                unlimited
rtprio               0

7936    0   793377

1  [|||                                                                                                       1.9%]   Tasks: 196, 114 kthr; 1 running
  2  [|||||                                                                                                     4.2%]   Load average: 0.43 0.20 0.16
  3  [|                                                                                                         0.7%]   Uptime: 2 days, 18:22:08
  4  [                                                                                                          0.0%]
  Mem[|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 5.68G/7.62G]
  Swp[|||||||                                                                                             218M/3.82G]

Linux nuc 4.4.0-21-generic #37-Ubuntu SMP Mon Apr 18 18:33:37 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux