What does umask 077 mean?
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What is $$ in shell script?
What would you do when all the processess hangs and there is no other option in unix?
How can we increase disk read performance in single command in Linux?
Difference between swap partition and swap file?
What is mkdir?
What does df command do in linux?
What can you tell about the tar command?
When and how linux developed?
What is help command in linux?
What command should you use to check your file system?
What are linux commands?
What happens to hard link when file is deleted?