What is the use of the tee command?
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what are processor execution levels and priorities?
What is the output of : $ ps-e $ ps-a commands
Enlist some filename manipulation commands in unix.
write grep commands to select the lines that have exactly two characters
What is file system in unix??
1-how will you display a file whose name is starting with '- '? 2-how will you add a patten at end of every line in vi editor?
Describe the usage and functionality of the command rm –r * in unix?
How do you grep a case insensitive?
How do you execute a UNIX command in the background?
What is the protocol for PING command?
what do you understand by 'building block primitive'?
distinguish between user mode and kernel mode?