How do you make tail show the last 30 lines of a file?

How do you make tail show the last 30 lines of a file?

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. Try using tail to look at the last five lines of your .

How do I see the last 10 lines in Linux?

The tail command displays, by default, the last 10 lines of a text file in Linux. This command can be very useful when examining recent activity in log files. In the picture above you can see that the last 10 lines of the /var/log/messages file were displayed. Another option that you will find handy is the -f option.

What does Dmesg command do in Linux?

The dmesg command-line utility is used to print and control the kernel ring buffer in Linux and other Unix-like operating systems. It is useful for examining kernel boot messages and debugging hardware related issues.

How do you go to the last line of a file in Linux?

In short press the Esc key and then press Shift + G to move cursor to end of file in vi or vim text editor under Linux and Unix-like systems.

How do you grep the first 10 lines?

How can I tell grep to only process the first 10 lines in order to speed this execution? You can use grep option -m 1 which stops reading the file after the first match.

Which command can be used to see last 20 lines of a file named data?

tail command
The tail command displays the last part (10 lines by default) of one or more files or piped data. It can be also used to monitor the file changes in real time.

What does Lsmod do in Linux?

The lsmod command is used to display the status of modules in the Linux kernel. It results in a list of loaded modules. lsmod is a trivial program which nicely formats the contents of the /proc/modules , showing what kernel modules are currently loaded.