what is du and df command do? If I write df command what output it will give? If I write du what output will it print?
du -s *.txt, this command gives the file size in which format?
What is the "filesystem" and "Mounted one" in the result of the command df -h ?
id -g gives one id, but id -G gives multiple id, why? What is group and what is group id?
When I switch user to duck, and then I execute the command "who", it does not show the duck, but is showing the administrative username. Why? But if I execute "whoami" command it shows the user duck.
what is sudo?
what is superuser?
What is the role of adduser command and Sudo command in Linux Operating System?
It's not my question but it's suggestion to provide Linux Server Administration course based on certification .... TY diploma and Engineering students having special subject..
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Outline:സിസ്റ്റം അദ്മിനിസ്റ്റ്രെഷന്റെ ബെസിക്സുകൾ റൂട്ട് ലോഗിൻ -su യുസർ മനെജുമെന്റ് - UID, GID, useradd, usermod, userdel ഡിസ്കസ് – Du, df
സിസ്റ്റം അദ്മിനിസ്റ്റ്രെഷന്റെ ബെസിക്സുകൾ റൂട്ട് ലോഗിൻ -su യുസർ മനെജുമെന്റ് - UID, GID, useradd, usermod, userdel ഡിസ്കസ് – Du, df
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