Some commands that benifit you

How to search text in folder and sub-folders

// to search “httpclient” text in current and subfolders // -r is recursive and -l to list the file along with path.

$ grep -rl "httpclient" ./

Commands for Vimdiff

// to jump to the next/previous difference

]c :        - next difference
[c :        - previous difference

// to bringing difference from other file to current file

do          - diff obtain

// to put difference from current file to the other file

dp          - diff put

// to open/close the folded text

zo          - open folded text
zc          - close folded text

// to refresh the differenc

:diffupdate - re-scan the files for differences