Which command is used to kill the last background job?
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What are reported commands?
what is kernel?
What is s and g in sed command?
distinguish between user mode and kernel mode?
describe the escaping sequence characteres in unix
What command a user use to view a long text file one page at a time in UNIX?
Is there any method to erase all files in the current directory, along with its all sub-directories, by using only one command?
What is awk command used for?
Write a grep (or grep) command that selects the lines from a file that have exactly three characters.
Explain how to use grep command to list find the records of a file containing 10 different strings?
What command is used to check the current users?
Which Command is Used for temprary switch User?