lfs-book/appendixa/utillinux-desc.xml

<sect2><title>&nbsp;</title><para>&nbsp;</para></sect2>

<sect2><title>Descriptions</title>

<para>Last checked against version &util-linux-contversion;.</para>

<sect3><title>Program file descriptions</title>

<sect4><title>agetty</title>
<para>agetty opens a tty port, prompts for a login name and invokes the
/bin/login command.</para></sect4>

<sect4><title>arch</title>
<para>arch prints the machine architecture.</para></sect4>

<sect4><title>blockdev</title>
<para>blockdev allows to call block device ioctls from the command 
line.</para></sect4>

<sect4><title>cal</title>
<para>cal displays a simple calender.</para></sect4>

<sect4><title>cfdisk</title>
<para>cfdisk is a libncurses based disk partition table
manipulator.</para></sect4>

<sect4><title>chkdupexe</title>
<para>chkdupexe finds duplicate executables.</para></sect4>

<sect4><title>col</title>
<para>col filters reverse line feeds from input.</para></sect4>

<sect4><title>colcrt</title>
<para>colcrt filters nroff output for CRT previewing.</para></sect4>

<sect4><title>colrm</title>
<para>colrm removes columns from a file.</para></sect4>

<sect4><title>column</title>
<para>column columnates lists.</para></sect4>

<sect4><title>ctrlaltdel</title>
<para>ctrlaltdel sets the function of the CTRL+ALT+DEL key combination (hard
or soft reset).</para></sect4>

<sect4><title>cytune</title>
<para>cytune queries and modifies the interruption threshold for the Cyclades
driver.</para></sect4>

<sect4><title>ddate</title>
<para>ddate converts Gregorian dates to Discordian dates.</para></sect4>

<sect4><title>dmesg</title>
<para>dmesg is used to examine or control the kernel ring buffer (boot
messages from the kernel).</para></sect4>

<sect4><title>elvtune</title>
<para>elvtune lets you tune the I/O elevator per block device queue 
basis.</para></sect4>

<sect4><title>fdformat</title>
<para>fdformat low-level formats a floppy disk.</para></sect4>

<sect4><title>fdisk</title>
<para>fdisk is a disk partition table manipulator.</para></sect4>

<sect4><title>fsck.cramfs</title>
<para>No description is currently available.</para></sect4>

<sect4><title>fsck.minix</title>
<para>fsck.minix performs a consistency check for the Linux MINIX 
filesystem.</para></sect4>

<sect4><title>getopt</title>
<para>getopt parses command options the same way as the getopt C
command.</para></sect4>

<sect4><title>hexdump</title>
<para>hexdump displays specified files, or standard input, in a user specified
format (ascii, decimal, hexadecimal, octal).</para></sect4>

<sect4><title>hwclock</title>
<para>hwclock queries and sets the hardware clock (also called the RTC or BIOS
clock).</para></sect4>

<sect4><title>ipcrm</title>
<para>ipcrm removes a specified resource.</para></sect4>

<sect4><title>ipcs</title>
<para>ipcs provides information on IPC facilities.</para></sect4>

<sect4><title>isosize</title>
<para>isosize outputs the length of an iso9660 file system.</para></sect4>

<sect4><title>line</title>
<para>line copies one line (up to a newline) from standard input and writes it
to standard output.</para></sect4>

<sect4><title>logger</title>
<para>logger makes entries in the system log.</para></sect4>

<sect4><title>look</title>
<para>look displays lines beginning with a given string.</para></sect4>

<sect4><title>losetup</title>
<para>losetup sets up and controls loop devices.</para></sect4>

<sect4><title>mcookie</title>
<para>mcookie generates magic cookies for xauth.</para></sect4>

<sect4><title>mkfs</title>
<para>mkfs builds a Linux filesystem on a device, usually a harddisk
partition.</para></sect4>

<sect4><title>mkfs.bfs</title>
<para>mkfs.bfs creates an SCO bfs file system on a device, usually a harddisk
partition.</para></sect4>

<sect4><title>mkfs.cramfs</title>
<para>No description is currently available.</para></sect4>

<sect4><title>mkfs.minix</title>
<para>mkfs.minix creates a Linux MINIX filesystem on a device, usually a
harddisk partition.</para></sect4>

<sect4><title>mkswap</title>
<para>mkswap sets up a Linux swap area on a device or in a file.</para></sect4>

<sect4><title>more</title>
<para>more is a filter for paging through text one screen full at a
time.</para></sect4>

<sect4><title>mount</title>
<para>mount mounts, from many possible sources, filesystems or directories
on a directory (mount point).</para></sect4>

<sect4><title>namei</title>
<para>namei follows a pathname until a terminal point is found.</para></sect4>

<sect4><title>parse.bash, parse.tcsh, test.bash, test.tcsh</title>
<para>These are example scripts for using the getopt program with either
BASH or TCSH.</para></sect4>

<sect4><title>pg</title>
<para>No description is currently available.</para></sect4>

<sect4><title>pivot_root</title>
<para>pivot_root moves the root file system of the current process.</para></sect4>

<sect4><title>ramsize</title>
<para>ramsize queries and sets RAM disk size.</para></sect4>

<sect4><title>raw</title>
<para>raw is used to bind a Linux raw character device to a block device.</para></sect4>

<sect4><title>rdev</title>
<para>rdev queries and sets image root device, swap device, RAM disk size or
video mode.</para></sect4>

<sect4><title>readprofile</title>
<para>readprofile reads kernel profiling information.</para></sect4>

<sect4><title>rename</title>
<para>rename renames files.</para></sect4>

<sect4><title>renice</title>
<para>renice alters priority of running processes.</para></sect4>

<sect4><title>rev</title>
<para>rev reverses lines of a file.</para></sect4>

<sect4><title>rootflags</title>
<para>rootflags queries and sets extra information used when mounting 
root.</para></sect4>

<sect4><title>script</title>
<para>script makes a typescript of terminal session.</para></sect4>

<sect4><title>setfdprm</title>
<para>setfdprm sets user-provided floppy disk parameters.</para></sect4>

<sect4><title>setsid</title>
<para>setsid runs programs in a new session.</para></sect4>

<sect4><title>setterm</title>
<para>setterm sets terminal attributes.</para></sect4>

<sect4><title>sfdisk</title>
<para>sfdisk is a disk partition table manipulator.</para></sect4>

<sect4><title>swapoff</title>
<para>swapoff disables devices and files for paging and swapping.</para></sect4>

<sect4><title>swapon</title>
<para>swapon enables devices and files for paging and swapping.</para></sect4>

<sect4><title>tunelp</title>
<para>tunelp sets various parameters for the LP device.</para></sect4>

<sect4><title>ul</title>
<para>ul reads a file and translates occurrences of underscores to the sequence
which indicates underlining for the terminal in use.</para></sect4>

<sect4><title>umount</title>
<para>umount unmounts a mounted filesystem or directory.</para></sect4>

<sect4><title>vidmode</title>
<para>vidmode queries and sets the video mode.</para></sect4>

<sect4><title>whereis</title>
<para>whereis locates a binary, source and manual page for a 
command.</para></sect4>

<sect4><title>write</title>
<para>write sends a message to another user, if that user has writing 
enabled (usually by using mesg).</para></sect4>

</sect3>

</sect2>