User Manual

Chapter 3. Using the System
Application Description
chat
Automated conversational script with a modem.
chgrp Change group ownership.
chkconfig Updates and queries runlevel information for system services.
chmod Change file access permissions.
chown Change file owner and group.
chroot Run command or interactive shell with special root directory.
clear Clear the terminal screen.
cmp Compare two files.
cp Copy files and directories.
cpio Copy files to and from archives.
crontab Maintain crontab files for individual users.
cut
Remove sections from each line of files.
date Print or set the system date and time. Notice that the date command
does not store the date into the battery powered real time clock. Use
the hwclock application instead.
dd Convert and copy a file.
deluser Delete a user from the system.
df Report file system disk space usage.
dfu WRAP baseband module firmware upgrade tool.
dialup WRAP iWRAP helper application.
dirname Strip non-directory suffix from file name.
dmesg Prints or controls the kernel ring buffer.
dpkg A medium-level package manager for (.deb) packages.
dpkg-deb Debian package archive (.deb) manipulation tool.
du Estimate file space usage.
dump_cis Retrieves and parses the Card Information Structures for inserted
PCMCIA devices, or optionally, parses CIS information from a file.
dun WRAP iWRAP helper application.
egrep Print lines matching a pattern.
encode_keychange Produce the KeyChange string for SNMPv3.
env Run a command in a modified environment.
expr Evaluate expressions.
false Do nothing, unsuccessfully.
fgrep Print lines matching pattern.
find Search for files in a directory hierarchy.
free Display the amount of free and used memory in the system.
ftp Internet file transfer program.
gdbserver Remote server for GDB debugger. Available in a separate software
package.
33