How do I display a specific line in a file in Linux?
Write a bash script to print a particular line from a file
- awk : $>awk ‘{if(NR==LINE_NUMBER) print $0}’ file.txt.
- sed : $>sed -n LINE_NUMBERp file.txt.
- head : $>head -n LINE_NUMBER file.txt | tail -n + LINE_NUMBER Here LINE_NUMBER is, which line number you want to print. Examples: Print a line from single file.
How do you go to a specific line?
For Notepad++ , On windows, use Ctrl + g to go to specific line.
How do I select a specific line in a file in Unix?
To extract a range of lines, say lines 2 to 4, you can execute either of the following:
- $ sed -n 2,4p somefile. txt.
- $ sed ‘2,4! d’ somefile. txt.
What is the use of awk in Linux?
Awk is a utility that enables a programmer to write tiny but effective programs in the form of statements that define text patterns that are to be searched for in each line of a document and the action that is to be taken when a match is found within a line. Awk is mostly used for pattern scanning and processing.
How do I show line numbers in Unix?
To do so:
- Press the Esc key if you are currently in insert or append mode.
- Press : (the colon). The cursor should reappear at the lower left corner of the screen next to a : prompt.
- Enter the following command: set number.
- A column of sequential line numbers will then appear at the left side of the screen.
How do I see the last 10 lines in Linux?
head -15 /etc/passwd
To look at the last few lines of a file, use the tail command. tail works the same way as head: type tail and the filename to see the last 10 lines of that file, or type tail -number filename to see the last number lines of the file.
How do I find Top 10 files in Linux?
Command To Find Top 10 Largest Files In Linux
- du command -h option : display file sizes in human readable format, in Kilobytes, Megabytes and Gigabytes.
- du command -s option : Show total for each argument.
- du command -x option : Skip directories. …
- sort command -r option : Reverse the result of comparisons.
How many lines file Linux?
The most easiest way to count the number of lines, words, and characters in text file is to use the Linux command “wc” in terminal. The command “wc” basically means “word count” and with different optional parameters one can use it to count the number of lines, words, and characters in a text file.
Which command helps to jump lines?
Word allows you to move the insertion point to any line number in your document by using the Go To command. This can be very helpful, particularly if you have line numbers turned on in your document. To take advantage of this ability to jump to a specific line number, follow these steps: Press F5.
How do I show line numbers in vi?
How to show lines in vi or vim text editor
- Press the ESC key.
- Type : (the colon)
- Execute the following command to show lines in vi/vim: set number.
- Now you can see line numbers on the left side of the vi/vim text editor screen.
How do I copy and paste a line in Vim?
How to copy and paste a line in Vim?
- Make sure you’re in the normal mode. Press Esc to be sure. Then copy the entire line by pressing yy (more info :help yy ). …
- Paste the line by pressing p . That will put the yanked line right under your cursor (on the next line).