How do you print a specific line in Unix using SED?
In this article of sed series, we will see how to print a particular line using the print(p) command of sed. Similarly, to print a particular line, put the line number before ‘p’. $ indicates the last line.
How do you print the first line in Unix?
head command example to print first 10/20 lines
- head -10 bar.txt.
- head -20 bar.txt.
- sed -n 1,10p /etc/group.
- sed -n 1,20p /etc/group.
- awk ‘FNR <= 10’ /etc/passwd.
- awk ‘FNR <= 20’ /etc/passwd.
- perl -ne’1..10 and print’ /etc/passwd.
- perl -ne’1..20 and print’ /etc/passwd.
What is the Print command in Unix?
The command print is for displaying files per the contents of the mailcap file, using the designated “handler” for each particular file type, not for printing strings to the screen. excerpt from the print man page. run-mailcap, view, see, edit, compose, print – execute programs via entries in the mailcap file.
How do I view a line in UNIX file?
To do this, press Esc , type the line number, and then press Shift-g . If you press Esc and then Shift-g without specifying a line number, it will take you to the last line in the file.
How do you show the middle line in Unix?
The command “head” is used to view the top lines of a file and command “tail” is used to view lines at the end.
How do I print a file in Unix?
- The pr Command. The pr command does minor formatting of files on the terminal screen or for a printer. …
- The lp and lpr Commands. The command lp or lpr prints a file onto paper as opposed to the screen display. …
- The lpstat and lpq Commands. …
- The cancel and lprm Commands.
How do I show the first 10 lines of a file in Linux?
To look at the first few lines of a file, type head filename, where filename is the name of the file you want to look at, and then press <Enter>. By default, head shows you the first 10 lines of a file. You can change this by typing head -number filename, where number is the number of lines you want to see.
What is the command to display the first 10 lines of file in Linux?
The head command, as the name implies, print the top N number of data of the given input. By default, it prints the first 10 lines of the specified files. If more than one file name is provided then data from each file is preceded by its file name.
What is the output of who command?
Explanation: who command output the details of the users who are currently logged in to the system. The output includes username, terminal name (on which they are logged in), date and time of their login etc. 11.
How do I print on Linux?
How to Print from a Linux
- Open the page you want to print within your html interpreter program.
- Select Print from the File dropdown menu. A dialogue box will open.
- Click OK if you wish to print to the default printer.
- Enter the lpr command as above if you wish to select a different printer.
How do I list all printers in Linux?
2 Answers. The Command lpstat -p will list all available printers for your Desktop .