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