let packages ask questions prior to their installation NAME dpkg-preconfigure - let packages ask questions prior to their installation SYNOPSIS dpkg-preconfigure [options] package.…APT package handling utility -- command-line interface NAME apt-get - APT package handling utility -- command-line interface SYNOPSIS apt-get [ -sqdyfmubV ] [ -o= config_string ] […reconfigure an already installed package NAME dpkg-reconfigure - reconfigure an already installed package SYNOPSIS dpkg-reconfigure [options] packages DESCRIPTION dpkg-reconfigure …Archive authentication support for APT NAME apt-secure - Archive authentication support for APT DESCRIPTION Starting with version 0.6, APT contains code that does signature checkin…query the APT cache NAME apt-cache - query the APT cache SYNOPSIS apt-cache [ -agipns ] [ -o= config_string ] [ -c= config_file ] {gencaches | showpkg pkg ... | showsrc pkg ... | s…update the list of valid login shells NAME update-shells - update the list of valid login shells SYNOPSIS update-shells [ options ] DESCRIPTION update-shells locates the shells pro…run scripts or programs in a directory NAME run-parts - run scripts or programs in a directory SYNOPSIS run-parts [--test] [--verbose] [--debug] [--report] [--lsbsysinit] [--regex=…show, set and unset various settings for a package NAME apt-mark - show, set and unset various settings for a package SYNOPSIS apt-mark { -f= filename | {auto | manual} pkg ... | {…safely update /etc/passwd, /etc/shadow and /etc/group NAME update-passwd - safely update /etc/passwd, /etc/shadow and /etc/group SYNOPSIS update-passwd [ options ] DESCRIPTION upda…executes System-V style init script actions NAME invoke-rc.d - executes System-V style init script actions SYNOPSIS invoke-rc.d [ --quiet ] [ --force ] [ --try-anyway ] [ --disclos…remove shells from the list of valid login shells NAME remove-shell - remove shells from the list of valid login shells SYNOPSIS remove-shell shellname [ shellname ...] DESCRIPTION…add shells to the list of valid login shells NAME add-shell - add shells to the list of valid login shells SYNOPSIS add-shell shellname [ shellname ...] DESCRIPTION add-shell copie…command-line interface NAME apt - command-line interface SYNOPSIS apt [ -h ] [ -o= config_string ] [ -c= config_file ] [ -t= target_release ] [ -a= architecture ] {list | search | …dumps the content of a man-db database in a human readable format NAME accessdb - dumps the content of a man-db database in a human readable format SYNOPSIS /usr/sbin/accessdb [ -d…PAM module to create users home directory NAME pam_mkhomedir - PAM module to create users home directory SYNOPSIS pam_mkhomedir.so [silent] [debug] [umask= mode ] [skel= skeldir ] …create or update the pre-formatted manual pages NAME catman - create or update the pre-formatted manual pages SYNOPSIS catman [ -d?V ] [ -M path ] [ -C file ] [ section ] ... DESCR…manage PAM configuration using packaged profiles NAME pam-auth-update - manage PAM configuration using packaged profiles SYNOPSIS pam-auth-update [ --package [ --remove profile [ p…create or update the manual page index caches NAME mandb - create or update the manual page index caches SYNOPSIS mandb [ -dqsucpt?V ] [ -C file ] [ manpath ] mandb [ -dqsut ] [ -C…add or manipulate users or groups NAME adduser, addgroup - add or manipulate users or groups SYNOPSIS adduser [ --add-extra-groups ] [ --allow-all-names ] [ --allow-bad-names ] [ -…add or manipulate users or groups NAME adduser, addgroup - add or manipulate users or groups SYNOPSIS adduser [ --add-extra-groups ] [ --allow-all-names ] [ --allow-bad-names ] [ -…