noticed that my default shell set to zsh on Macos Catalina. How do I change my default shell to bash on Macos Catalina using the command line or GUI options?
am a new user of macOS Unix running on MacBook Pro and Mac mini server. I need to change the password for root user account on macOS. How do I change the root password on macOS Unix using command line options?
like htop on my Ubuntu server
. The man page says it is a free (GPL) ncurses-based process viewer for Linux. Can I install htop on macOS Unix desktop? How do I install htop on macOS sierra based MacBook pro?
I[donotprint][/donotprint] am a new Linux sysadmin. What is the purpose of rm -rf command on a Linux? What does rm -rf command do on a Unix-like operating system?
am a new Unix system user. How can I view system users in Unix operating system using the command line option?
am a new Linux command line user. How do I find file permissions in octal format such as 0644 from the bash command line running on a Linux or Unix operating systems? How can I get the octal permissions for a file? How do I get octal file permissions on Linux/Unix?
ow do I monitor disk I/O latency in real time on Linux, FreeBSD, OpenBSD, and MacOS operating system?