What does pipe () return?
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fork in unix ?
What is the different between UNIX command and UNIX shell script?
Explain ‘system calls’ with respect to unix commands?
What is grep and how do you use it?
why unix operating system provides more security than other operating systems?
What does #!/ Bin sh do?
What do chmod, chown, chgrp commands do?
What is ‘ps’ command for?
How do you list the files in an UNIX directory while also showing hidden files?
How do you copy a directory with many files and folders into another directory?
What is {} in find command?
What is the function of grep command in unix?