In this brief article, I present 10 essential Linux questions along with their answers.
This foundational knowledge is crucial for anyone seeking to master Linux.

VIM (Visual Display Editor Improved)
Q1: How do you open a file in Vim without modifying its timestamp?
vim -n filename

Q2: How can you recover an unsaved file after Vim crashes or the system reboots?
Search for swap files:
ls -a | grep .swp

Q3: How do you open a file at a specific line number in Vim?
vim +linenumber filename

Q4: How do you enable line numbers permanently in Vim?
Add to ~/.vimrc:
vim
set number

Q5: How do you delete all blank lines in a file using Vim?
vim
:g/^$/d

Q6: How do you remove trailing spaces from a file in Vim?
vim
:%s/\s+$//e

Q7: How do you replace a word globally in Vim?
vim
:%s/oldword/newword/g

Q8: How do you copy (yank) and paste in Vim?
• Yank: yy
• Paste: p

Q9: How do you enable syntax highlighting in Vim?
vim
syntax enable

Q10: How do you edit multiple files in Vim and switch between them?
Open with vim file1 file2 and switch with :n or :prev.

Stay tuned for part 6 coming tomorrow!

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