What are runlevels in linux?
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How do I find old commands in linux?
What could be the problem when a command that was issued gave a different result from the last time it was used?
How do you change file permissions in Linux?
When u comment the ctrl+alt+del trap in the /etc/inittab save the file. Tell the command to save the changes without rebooting the machine?
Compare between SYS V launched processes and Xinetd processes in Linux.
What are grep patterns called?
What the command used for list the contents of your home directory, current directory and all subdirectories?
How cp command works in linux?
If you have saved a file in linux. Later you wish to rename that file, what command is designed for it?
Which command is used to delete a group?
How do you copy in linux terminal?
What is $@ in makefile?