apt-cache

Question 1

apt-cache

Answer 1

apt-cache performs a variety of operations on APT’s package cache.

Question 2

apt-cache pkgnames

apt-cache search

apt-cache show

Answer 2

pkgnames, This command prints the name of each package APT knows.

search, Search performs a full text search on all available package lists for the regex pattern given.

show pkg, Show performs a function similar to dpkg –print-avail; it displays the package records for the named packages.

Question 3

apt-cache showpkg

Answer 3

showpkg, Showpkg displays information about the packages listed on the command line.

Question 4

apt-cache stats

Answer 4

stats, Stats displays some statistics about the cache. Stats reported are: Number of package names, number of ordinary packages, number of virtual package names, etc, etc.