UnixTools01 01a

Looking around: Who am I? / Where am I? / Who else is here? / What have I done lately?

Who am I?

gruenau4 jpr 1 ( ~ ) $ id uid=512(jpr) gid=500(unixsoft) Gruppen=500(unixsoft),510(sarwww),9501(employees),9504(profs)

Where am I?

gruenau4 jpr 2 ( ~ ) $ hostname gruenau4.informatik.hu-berlin.de

Who else is here?

gruenau4 jpr 3 ( ~ ) $ who jpr pts/0 2024-11-23 15:14 (141.20.23.61) gadetobq pts/47 2024-11-15 19:43 (77.23.245.36) gadetobq pts/82 2024-11-15 19:44 (77.23.245.36)

Which other users have logged into this computer lately?

gruenau4 jpr 4 ( ~ ) $ last jpr pts/0 141.20.23.61 Sat Nov 23 15:14 still logged in zimervic pts/0 176.0.21.189 Sat Nov 23 14:33 - 14:36 (00:03) borcherx pts/69 79.230.125.172 Sat Nov 23 10:15 - 11:33 (01:18) nguyehoa pts/90 103.5.140.157 Sat Nov 23 07:41 - 09:56 (02:15) phamhung pts/91 84.143.26.147 Fri Nov 22 17:48 - 17:53 (00:05) root pts/69 141.20.20.112 Fri Nov 22 17:46 - 17:48 (00:02)

What have I done lately?

gruenau4 jpr 5 ( ~ ) $ history

   9  ls -lisa
  10  cd grusawik/
  11  ls -lisa
  12  id
  13  hostname
  14  who
  15  last
  16  history