Vim HowTo - Linux / Unix Q & A from nixCraft

Vim show line numbers by default on Linux

last updated February 29, 2020 in Linux, UNIX, Vim

How do I show line numbers in Vim by default on Linux?

How to Undo in Vim / Vi text editor

last updated February 13, 2020 in Linux, UNIX, Vim

How do I undo a recent change in the vim text editor?

How to install VIM enhanced on Fedora Linux 29

last updated January 18, 2019 in Fedora Linux, Linux, Vim

My Fedora Linux workstation shipped with vi commands. The default vi provides no syntax-highlighting for opened files, by default on Fedora Linux 29. It works like the original vi editor. How do I install an enhanced version of vim that provides syntax-highlighting on Fedora Linux 29?

How to open a file in vim in read-only mode on Linux/Unix

last updated June 29, 2017 in BASH Shell, CentOS, Debian / Ubuntu, FreeBSD, Linux, Suse, UNIX, Vim

I need of opening necessary files in reading (read-only) mode to avoid accidental editing of files such as /etc/resolv.conf or a large config or programming file on a production server. How do I open files in read-only mode in vim text editor on Linux or Unix-like system?

Linux / Unix: Colored Man Pages With less Command

last updated December 13, 2017 in BASH Shell, Linux, UNIX

How do I see colored man pages with standard Unix or Linux less command without installing most paging program for Unix / Linux like operating system?

How to save existing file to a new file (save as) in vi / vim

last updated May 18, 2019 in CentOS, Debian / Ubuntu, FreeBSD, Linux, RedHat and Friends, Suse, UNIX, Vim

Is it possible to save existing file directly when using vi or vim text editor? How do I run “save as” command in vi/vim running on a Linux or Unix-like systems?

How do I show lines in vi or vim text editor?

last updated November 17, 2018 in CentOS, Debian / Ubuntu, FreeBSD, Linux, Mac OS X, OpenBSD, Suse, UNIX, Vim

I am using a Linux based system. In, vi or vim text editor, how do I show or hide line numbers? How do I show lines in vi?