Explain ‘system calls’ with respect to unix commands?
What is the function of grep command in unix?
Explain iostat, vmstat and netstat.
how to check a file system type
in UNIX,How do you check for processes started by particular user suppose the user name is 'suresh'?
How to know a process is a zombie or orphan process?
How do I delete files from command prompt?
What are awk commands?
What is the difference between pipe (|) and tee command in unix
why unix commands can be divided into internal and external commands?
What is the use of the tee command?
what is the use of uniq commmand?
What will the following command do?