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what are the different operating systems available?
Name the various commands that are used for the user information in unix.
How do you move a process which is running background to foreground?
How to identify whether a file is normal file or directory?
What is the output of : $ ps-e $ ps-a commands
what is the significance of "su" command?
Give the command for finding the current date.
If we want to see first 35 lines of a file which command we have to use?
what is the difference between "cron" command and "at" command?
What is the difference between cat and more command?
What is grep command in unix with examples?
what are the different commands used to view the contents of a file?