Unix: Last time a user logged into Unix

 >last username



eg


$ last map96

map96    pts/0        172.27.100.76    Wed Feb  5 14:11 - 16:39  (02:27)

map96    pts/0        172.27.100.116   Thu Jan 23 10:38 - 10:39  (00:01)

map96    pts/0        172.27.100.81    Mon Jan 20 11:16 - 11:17  (00:00)

map96    pts/0        172.27.100.76    Mon Dec 16 10:50 - 14:07  (03:16)

map96    pts/0        172.27.100.44    Fri Dec 13 14:39 - 14:40  (00:01)

map96    pts/2        172.27.100.64    Wed Dec 11 11:51 - 12:52  (01:01)

map96    pts/3        172.27.100.112   Wed Dec 11 11:06 - 11:15  (00:09)




For the last 100 days:

$ lastlog -b 0 -t 100
Username         Port                                               From             Latest
root                   pts/1                                                                Mon Mar 17 06:46:11 -0500 2025
db2admin         pts/1                                                                 Mon Mar 17 08:30:43 -0500 2025
prd1ins1                                                                                     Mon Mar 17 14:53:10 -0500 2025
rin_akhmedzhanov_tailoredbrands_ pts/0    35.235.244.225   Mon Mar  3 16:25:58 -0600 2025
rakesh_mula_tailoredbrands_com pts/2    35.235.241.226     Wed Feb 12 14:01:15 -0600 2025

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