awk Tutorial Awk is a domain specific programming language, suitable for text processing, data extraction and report generation applications. Continue Reading
sed command in Linux sed is a stream editor that applies the commands one by one on each line of input and writes the resulting lines on the standard output. Continue Reading
grep Command in Linux grep is a program for searching string patterns in files. It searches files for the patterns and prints the matching lines. Continue Reading
Shell Scripting Tutorial A shell script, or bash script, is a list of commands written to automate some system operations work in Linux. Continue Reading
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. Continue Reading
Network Traffic Control with tc command in Linux tc is a user space program for managing qdiscs for network interfaces. tc is used for configuring traffic control in the kernel. Continue Reading
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. Continue Reading
umask in Linux 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. Continue Reading
ip command in Linux with examples The ip command is used for IPv4 and IPv6 network configuration. It replaces the previous ifconfig and other similar commands. Continue Reading
htop command in Linux htop is a ncurses based program for viewing processes in a Linux system. htop gives information about processor, memory and swap usage. Continue Reading
Using vimdiff The vimdiff command runs vim in the diff mode on two, three or four files. It is useful for comparing multiple versions of a file. Continue Reading
Git Tutorial Git is a source code management system. Git concepts and commands are explained with examples in this tutorial. Continue Reading
iptables command in Linux The iptables command is for defining packet filtering rules for firewalls in Linux. iptables concepts and command parameters are explained. Continue Reading
Synchronizing Files Between Multiple Computers Using Unison Unison is a file synchronization tool. It synchronizes directory trees on two hosts both ways, so that the files at both ends are the latest. Continue Reading
netstat The netstat command in Linux provides information about network connections, routing tables and network interface statistics. Continue Reading