Debianutils

• add-shell(8) add shells to the list of valid login shells
• installkernel(8) install a new kernel image
• ischroot(1) detect if running in a chroot
• remove-shell(8) remove shells from the list of valid login shells
• run-parts(8) parts - run scripts or programs in a directory
• savelog(8) save a log file
• tempfile(1) create a temporary file in a safe manner
• update-shells(8) update the list of valid login shells
• which.debianutils(1) locate a command