Does cp overwrite?
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Explain about communication features in UNIX?
1.I want to change runlevel but the Users shall not be disturbed?how? 2.Disk have 5gb disk utilization even though files unable to create, why? 3.what are the internal and external command in linux? 4.sar command o/p? 5.how list the open files? 6.what is kernel compiling? 7.How do u See complete configuration in ur system? 8.how will u make a daily updates with cron daily? 9.which port is associated with ttys0? 10.specific some problems linux admin(if u are linux admin)faced and how did u overcome it?
10 Answers IBM, TCS,
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Which command is used to clear the screen?
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