This tutorial explains Linux “dstat” command, options and its usage with examples. dstat – versatile tool for generating system resource statistics Description : Dstat is a versatile replacement for vmstat, iostat and ifstat. Dstat overcomes some of the limitations and adds some extra features. Dstat allows you to view all of your system resources instantly, … Read more
This tutorial explains Linux “nl” command, options and its usage with examples. nl – numbers the lines in a file. Description : nl copies each specified file to the standard output, with line numbers added to the lines. The line number is reset to 1 at the top of each logical page. nl treats all … Read more
This tutorial explains Linux “nc” command, options and its usage with examples. nc – netcat Description : nc is the command which runs netcat, a simple Unix utility that reads and writes data across network connections, using the TCP or UDP protocol. It is designed to be a reliable “back-end” tool that can be used … Read more
This tutorial explains Linux “killall” command, options and its usage with examples. killall – kill processes by name Description : killall sends a signal to all processes running any of the specified commands. If no signal name is specified, SIGTERM is sent. Signals can be specified either by name (e.g. -HUP) or by number (e.g. … Read more
This tutorial explains Linux “xargs” command, options and its usage with examples. xargs – build and execute command lines from standard input Description : xargs reads arguments from the standard input, delimited by blanks (which can be protected with double or single quotes or a backslash) or newlines, and executes the command (default is /bin/echo) … Read more
This tutorial explains Linux “find” command, options and its usage with examples. The find command searches for files within a directory hierarchy. It evaluates the given expression from left to right, following precedence rules (see OPERATORS), until the outcome is determined (false for “and” operations, true for “or”). When an outcome is known, “find” proceeds … Read more
This tutorial explains “grep” command in Linux, its options, and usage with examples. Grep Command: The ‘grep‘ command stands for “global regular expression parser“. It is used to find lines in files that match a specific pattern. By default, ‘grep’ searches the named input FILEs (or standard input if no files are named, or the … Read more
This tutorial explains Linux “rsync” command, options and its usage with examples. rsync – remote sync Description : rsync is a program that behaves in much the same way that rcp does, but has many more options and uses the rsync remote-update protocol to greatly speed up file transfers when the destination file already exists. … Read more
This tutorial explains Linux “ruptime” command, options and its usage with examples. ruptime – show host status of local machines Description : Ruptime gives a status line like uptime for each machine on the local network; these are formed from packets broadcast by each host on the network once a minute. Machines for which no … Read more
This tutorial explains Linux “rwho” command, options and its usage with examples. rwho – who is logged in on local machines Description : The rwho command displays output similar to the output of the who command (it shows who is logged in) for all machines on the local network running the rwho daemon. Install the … Read more
