Practical guide to unix for mac os x users a displays information about system users 814 wc displays the number of lines words and bytes 816. Choosing user names and passwords 10 understanding the role of the unix linux system administrator 24 x guide to unix using linux . Get this from a library a user guide to the unix system rebecca thomas jean l yates. An introduction to operating systems in general including the advantages of using unix operating systems over its competitors. In linux a useradd commad is a low level utility that is used for adding creating user accounts in linux and other unix like operating systems
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