Unix Interview Questions and Answers
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Kernel checks 'type' field in the file's inode structure.
Use 'su' command. The system asks for password and when valid entry is made the user gains super user (admin) privileges.
Shell variables are special variables, a name-value pair created and maintained by the shell.
Example: PATH, HOME, MAIL and TERM
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Directing the flow of data to the file or from the file for input or output.
Example : ls > wc
With the help of kill command we can terminate the process.
Syntax: kill pid
Kill 0 - kills all processes in your system except the login shell.
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