core/

Basename return name with leading path information removed.

Blkid prints information about blocks.

cat concatenates files and prints them to stdout.

chmod changes mode bits (e.g.

cmp compares two files and prints a message if their contents differ.

comm compares two files.

cp copies files.

cpio operates on cpio files using a cpio package It only implements basic cpio options.

date prints the date.

dd converts and copies a file.

df reports details of mounted filesystems.

dhclient sets up network config using DHCP.

dirname prints out the directory name of one or more args.

dmesg reads the system log.

echo writes its arguments separated by blanks and terminated by a newline on the standard output.

false returns 1.

Find finds files.

free reports usage information for physical memory and swap space.

fusermount is a very limited replacement for the C fusermount.

gpgv validates a signature against a file.

gpt reads and writes GPT headers.

gzip compresses files using gzip compression.

hexdump prints file content in hexadecimal.

hostname prints or changes the system's hostname.

hwclock reads or changes the hardware clock (RTC) in UTC format.

id displays the user id, group id, and groups of the calling process.

init is u-root's standard userspace init process.

insmod inserts a module into the running Linux kernel.

io reads and writes to physical memory and ports.

ip manipulates network addresses, interfaces, routing, and other config.

Kill kills processes.

lddfiles prints the arguments and all .so dependencies of those arguments

Ln makes links to files.

lockmsrs locks important intel MSRs.

losetup sets up and controls loop devices.

ls prints the contents of a directory.

lsdrivers lists driver usage on Linux systems

lsmod list currently loaded Linux kernel modules.

man - print manual entry for command.

md5sum prints an md5 hash generated from file contents.

mkdir makes a new directory.

mkfifo creates a named pipe.

Unmount a filesystem at the specified path.

Mktemp makes a temporary file (or directory)

More pages through files without any terminal trickery.

mount mounts a filesystem at the specified path.

msr -- read and write MSRs with regular command or Forth

mv renames files and directories.

netcat creates arbitrary TCP and UDP connections and listens and sends arbitrary data.

nohup – invoke a utility immune to hangups.

ntpdate uses NTP to adjust the system clock.

pci: show pci bus vendor ids and other info

Send icmp packets to a server to test network connectivity.

poweroff turns the system off, without delay.

Print environment variables.

Print process information.

Print name of current directory.

readlink display value of symbolic link file.

Delete files.

Remove a module from the Linux kernel

rsdp allows to determine the ACPI RSDP structure address which could be passed to the boot command later on It must be executed at the system init as it relies on scanning the kernel messages which could be quickly filled up in some cases

Scp copies files between hosts on a network.

Print a sequence of numbers.

shutdown halts, suspends, or reboots at a specified time, or immediately.

Delay for the specified amount of time.

Sort lines.

strace is a simple multi-process syscall & signal tracer.

Strings finds printable strings.

The command works like this: stty [verb] [options] Verbs are: dump -- dump the json of the struct to stdout load -- read a json file from stdin and use it to set raw -- convenience command to set raw cooked -- convenience command to set cooked In common stty usage, options may be specified without a verb.

Create and extract tar archives.

Tee transcribes the standard input to the standard output and makes copies in the files.

Time process execution.

Returns 0.

Truncate - shrink or extend the size of a file to the specified size

ts prepends each line of stdin with a timestamp.

Unmount a filesystem at the specified path.

Print build information about the kernel and machine.

Uniq removes repeated lines.

Unmount unmounts new from old, or everything mounted on old if new is omitted.

Disassociate parts of the process execution context.

Get the time the machine has been up Synopsis:

watchdog interacts with /dev/watchdog.

watchdogd is a background daemon for petting the watchdog.

Wc counts lines, words, runes, syntactically–invalid UTF codes.

Wget reads one file from a url and writes to stdout.

Which locates a command.