What is the difference between awk and grep?
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What do know about tee command and its usage?
What is the use of sed command in unix?
hi i have directories within the directory. Now i want to copy the directory along with all directories included in it to one location by using copy command? what is the command
What happens when we execute a unix command?
What is the procedure of "at" and crontab" commands?
What is the use of the command 'ls -x chapter[1-5]' ?
how to check a file system type
How does one process we can start an executable file? How to get the PID process, which we started?
what is exact definition of operating system?
When the shell is reading the command line what is the difference between text enclosed between double quotes ( ” ) and text enclosed between signal quotes ( ’ )?
What is the syntax of grep command and what is its use?
How do you grep a case insensitive?