An Introduction to Shell in Linux

Shell is the command line user interface to a UNIX-like system. bash is the default shell under Linux.

September 29, 2018

ss command in Linux

The ss command gives the socket statistics. It gives information about the network connections. ss is a replacement for the netstat command.

September 29, 2018

The umask command is used for setting a mask which is used for managing the permissions of files created by processes during a login session.

September 29, 2018

htop is a ncurses based program for viewing processes in a Linux system. htop gives information about processor, memory and swap usage.

September 29, 2018

The iptables command is for defining packet filtering rules for firewalls in Linux. iptables concepts and command parameters are explained.

September 28, 2018

The netstat command in Linux provides information about network connections, routing tables and network interface statistics.

September 27, 2018

The pidstat command gives the CPU utilization, I/O statistics, page faults and memory utilization for processes and threads in Linux systems.

September 25, 2018

The mpstat command in a Linux system gives the CPU utilization report and the hardware and software interrupts per second for processors.

September 25, 2018

The iostat command for getting the CPU and input-output statistics for Linux and Unix systems is explained.

September 25, 2018

vmstat prints information about system processes, memory, swap, I/O blocks, interrupts and context switches and the CPU activity.

September 25, 2018