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…

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…

ulimit command

What are the origin, history and core philosophical concepts of the GNU/Linux ulimit command? The ulimit command is a part of the Unix…