emerge
emerge
TLDR
Synchronize all packages
$ emerge --sync
Update all packages, including dependencies
$ emerge -uDNav @world
Resume a failed updated, skipping the failing package
$ emerge --resume --skipfirst
Install a new package, with confirmation
$ emerge -av [package_name]
Remove a package, with confirmation
$ emerge -Cav [package_name]
Remove orphaned packages (that were installed only as dependencies)
$ emerge -avc
Search the package database for a keyword
$ emerge -S [keyword]