Linux Chapter 1-3 Latest 2024 Graded A+

Linux Chapter 1-3 Latest 2024 Graded A+ Linux UNIX like operating system Is linux written from traditional UNIX code false Kernel was not created to like and act like UNIX false Shell : program that interprets commands you enter from keyboard Graphical user interface (GUI) can open a terminal window True How to switch to another shell? Type shells name. Example: tcsh, bash, ash What are some common ways to access the LINUX system? Telnet, SSH, clinet SW, dumb terminal SSH Secure shell, developed for UNIX/Linux systems to provide authentication for TCP/IP applications Logging out of LINUX enter exit or press ctrl+d ~ refers to users home directory How do OS programs communicate? They communication through an interpreter called a shell cal Shows system calendar cal -j display julian format calendar cal -s shows sunday as the first day of week cal -y shows all the months for the current year cat filename displays multiple files cat -n displays line numbers clear clears the screen date displats system date date -u displays time in greenwich mean time date -s resets date and time head diplays the first few lines of a file head -n displats the first 'n' lines of the