comm command in Linux
1.0 comm The comm command compares two sorted files and gives output in three columns. The first column has lines which are present only in the first file. The second…
1.0 comm The comm command compares two sorted files and gives output in three columns. The first column has lines which are present only in the first file. The second…
1.0 uniq The uniq command is a filter for finding unique lines in input. It reads input, suppresses duplicates and prints unique lines in its output. Used with the -D…
1.0 Sort The sort command is for sorting lines in text files. For example, if we have a file names, we can sort it with the sort command, $ cat…
awk is a filter which takes the input and gives output after matching desired patterns and doing processing linked to matched patterns. awk is well suited for processing voluminous raw…
1.0 sed sed is a stream editor that accepts a list of commands and input file names. It applies the commands one by one on each line of input and…
1.0 grep grep is a program for searching a given string pattern in files. It searches the files for the pattern and prints the lines that contain strings matching the…
It is fun posting images on Twitter but we often see that only a part of the image is visible in the stream of tweets. One has to click on…
1.0 Shell Script bash is the commonly used shell in GNU-Linux. bash can be run interactively, as a login shell or as an interactive process from a terminal emulator like…
1.0 SHELL A shell provides a user interface to a computer system. There are two types of shells, the command line interface (CLI) and the graphical user interface (GUI). In…
1.0 Network Traffic Control Computer network traffic is the data moving across the network at a given time. Network bandwidth is the maximum amount of data that can be transmitted…