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bash loops and renaming files

Andreas is a RHEL Sysadmin working in his home directory in bash on his RHEL server. His home directory: /home/andreas/ His home directory…

Discpline and good habits

Rex wants to become the best GNU/Linux System Administrator in the world. What are the 4 most important good habits and rituals that…

granular permissions

What GNU/Linux commands can be used to change permissions granularly? In GNU/Linux, there are several commands and utilities that can be used to…

chmod command

Kobie is a RHEL System Administrator at Google. He is studying for his LFCS exam. He wants to master the chmod command. Please…