logname.1 2.2 KB

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  1. .\" Copyright (c) 1991, 1993
  2. .\" The Regents of the University of California. 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. .\" Redistribution and use in source and binary forms, with or without
  8. .\" modification, are permitted provided that the following conditions
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  11. .\" notice, this list of conditions and the following disclaimer.
  12. .\" 2. Redistributions in binary form must reproduce the above copyright
  13. .\" notice, this list of conditions and the following disclaimer in the
  14. .\" documentation and/or other materials provided with the distribution.
  15. .\" 3. Neither the name of the University nor the names of its contributors
  16. .\" may be used to endorse or promote products derived from this software
  17. .\" without specific prior written permission.
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  19. .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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  31. .Dd June 9, 1993
  32. .Dt LOGNAME 1
  33. .Os
  34. .Sh NAME
  35. .Nm logname
  36. .Nd display user's login name
  37. .Sh SYNOPSIS
  38. .Nm
  39. .Sh DESCRIPTION
  40. The
  41. .Nm
  42. utility writes the user's login name to standard output followed by
  43. a newline.
  44. .Pp
  45. The
  46. .Nm
  47. utility explicitly ignores the
  48. .Ev LOGNAME
  49. and
  50. .Ev USER
  51. environment variables
  52. because the environment cannot be trusted.
  53. .Sh EXIT STATUS
  54. .Ex -std
  55. .Sh SEE ALSO
  56. .Xr who 1 ,
  57. .Xr whoami 1 ,
  58. .Xr getlogin 2
  59. .Sh STANDARDS
  60. The
  61. .Nm
  62. utility is expected to conform to
  63. .St -p1003.2 .
  64. .Sh HISTORY
  65. The
  66. .Nm
  67. command appeared in
  68. .Bx 4.4 .