projects / unix-history / blame
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1 | .\" Copyright (c) 1991 The Regents of the University of California. |
| 2 | .\" All rights reserved. | |
| 3 | .\" | |
| 4 | .\" This code is derived from software contributed to Berkeley by | |
| 5 | .\" the Institute of Electrical and Electronics Engineers, Inc. | |
| 6 | .\" | |
| 7 | .\" %sccs.include.redist.roff% | |
| 8 | .\" | |
| bf1f46f6 | 9 | .\" @(#)logname.1 5.2 (Berkeley) %G% |
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10 | .\" |
| 11 | .Dd "" | |
| 12 | .Dt LOGNAME 1 | |
| bf1f46f6 | 13 | .Os |
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14 | .Sh NAME |
| 15 | .Nm logname | |
| 16 | .Nd display user's login name | |
| 17 | .Sh SYNOPSIS | |
| 18 | .Nm logname | |
| 19 | .Sh DESCRIPTION | |
| 20 | The | |
| 21 | .Nm logname | |
| 22 | utility writes the user's login name to standard output followed by | |
| 23 | a newline. | |
| 24 | .Pp | |
| 25 | The | |
| 26 | .Nm logname | |
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27 | utility explicitly ignores the |
| 28 | .Ev LOGNAME | |
| 29 | and | |
| 30 | .Ev USER | |
| 31 | environment variables | |
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32 | because the environment cannot be trusted. |
| 33 | .Pp | |
| 34 | The | |
| 35 | .Nm logname | |
| 36 | utility exits 0 on success, and >0 if an error occurs. | |
| 37 | .Sh SEE ALSO | |
| 38 | .Xr who 1 , | |
| 39 | .Xr whoami 1 , | |
| 40 | .Xr getlogin 3 | |
| 41 | .Sh STANDARDS | |
| 42 | The | |
| 43 | .Nm logname | |
| 44 | function is expected to conform to | |
| 45 | .St -p1003.2 . | |
| 46 | .Sh HISTORY | |
| 47 | The | |
| 48 | .Nm | |
| 49 | command is | |
| 50 | .Ud . |