In this short guidebook, we feature the Linux a lot less command together with some command illustrations.
The less command requires the following syntax.
Much less command without having any command solutions
The Linux considerably less command can be executed in its standard variety devoid of any flags or solutions, follows by the file title. Suppose you want to watch the contents of the /etc/apache2/apache2.conf configuration file.
You will operate the next command:
$ fewer /and so on/apache2/apache2.conf
You can scroll a single line at a time by urgent the ENTER button and Space button to scroll 1 website page at a time.
To return again to the terminal, simply just press the ‘Q’ critical on the keyboard
Display screen strains numbers with the considerably less command
The Linux fewer command, jointly with the -N flag, prints the line figures. For instance, to see line numbers in the /and so forth/apache2/apache2.conf configuration file execute:
$ less -N /etcetera/apache2/apache2.conf
Leave written content on the terminal right after exiting
Typically, when you exit from viewing a file utilizing significantly less command. The output disappears. Even so, if you wish to leave the articles on the terminal even after exiting, use the -X choice as proven.
$ a lot less -X /and so on/apache2/apache2.conf
From the output revealed below, you can see the output is remaining on the terminal.
Research for a string with a lot less command
You can search for a string in the output by only pressing the ahead-slash crucial and typing the lookup search phrase.
For illustration, to lookup for the string apache in the output displayed, execute:
To research backward, use the query mark symbol in spot of the forward slash.
As noticed, the string is highlighted on the display screen.
Redirect output to fewer command utilizing a pipe
Output from other commands can be piped to fewer command to make it a lot easier to scroll alongside every line at a time. A fantastic case in point is piping the cat command to a lot less command, as shown.
$ cat /and many others/apache2/apache2.conf | significantly less
This is just the equivalent of using the fewer command, as demonstrated in the incredibly to start with example.
$ significantly less /etc/apache2/apache2.conf
Navigating around the output
Fewer command provides the next keyboard shortcuts to assist you go all-around.
To go forward one-line: Push ENTER critical, e or j
To transfer backward one particular line: Press y, arrow up or k
To shift one particular window forward: Push Place or z
To go one window backward: Push b
To stop : Press Q
For much more command possibilities, operate the command under.
That was an overview of the a lot less command and its utilization. Some great follow will arrive in helpful to get relaxed with the command.