3. Command reference

• 3.1. 2048 (the 2048 game)
• 3.2. addpart (add a partition description to a device)
• 3.3. alternate (count zero bits in a file)
• 3.4. at91_boot_test (load and execute from SRAM)
• 3.5. at91clk (list clock configuration)
• 3.6. at91mux (list MUX configuration)
• 3.7. automount (execute (mount) COMMAND when PATH is first accessed)
• 3.8. barebox_update (update barebox to persistent media)
• 3.9. basename (strip directory and suffix from filenames)
• 3.10. bcb (writes a i.MX23/28 BCB data structure to flash)
• 3.11. boot (boot from script, device, ...)
• 3.12. boot_order (set warm boot order)
• 3.13. bootm (boot an application image)
• 3.14. bootu (boot into already loaded Linux kernel)
• 3.15. bootz (boot Linux zImage)
• 3.16. cat (concatenate file(s) to stdout)
• 3.17. cd (change working directory)
• 3.18. clear (clear screen)
• 3.19. clk_disable (disable a clock)
• 3.20. clk_dump (show information about registered clocks)
• 3.21. clk_enable (enable a clock)
• 3.22. clk_set_parent (set parent of a clock)
• 3.23. clk_set_rate (set a clocks rate)
• 3.24. cp (copy files)
• 3.25. cpufreq (adjust CPU frequencyadjust CPU frequencyadjust CPU frequency)
• 3.26. cpuinfo (show CPU informationshow info about CPUshow CPU information)
• 3.27. crc32 (CRC32 checksum calculation)
• 3.28. delpart (delete partition(s))
• 3.29. detect (detect devices)
• 3.30. devinfo (show information about devices)
• 3.31. dfu (device firmware update)
• 3.32. dhcp (DHCP client to obtain IP or boot params)
• 3.33. dirname (strip last component from a path)
• 3.34. drvinfo (list compiled-in device drivers)
• 3.35. echo (echo args to console)
• 3.36. edit (a small full-screen editor)
• 3.37. erase (erase flash memory)
• 3.38. ethact (get or set current ethernet device)
• 3.39. exec (execute a script)
• 3.40. exit (exit script)
• 3.41. export (export environment variables)
• 3.42. false (do nothing, unsuccessfully)
• 3.43. filetype (detect file type)
• 3.44. getopt (parse option arguments)
• 3.45. global (create or set global variables)
• 3.46. go (start application at address or file)
• 3.47. gpio_direction_input (set direction of a GPIO pin to input)
• 3.48. gpio_direction_output (set direction of a GPIO pin to output)
• 3.49. gpio_get_value (return value of a GPIO pin)
• 3.50. gpio_set_value (set a GPIO’s output value)
• 3.51. gpioinfo (list registered GPIOs)
• 3.52. help (print online help)
• 3.53. host (resolve a hostname)
• 3.54. i2c_probe (probe for an i2c device)
• 3.55. i2c_read (read from an i2c device)
• 3.56. i2c_write (write to an i2c device)
• 3.57. ifup (bring a network interface up)
• 3.58. imx_nand_bbm (create BBT for i.MX NAND)
• 3.59. insmod (load a barebox module)
• 3.60. iomem (show IO memory usage)
• 3.61. ioport (show IO port usage)
• 3.62. led (control LEDs)
• 3.63. let (evaluate arithmetic expressions)
• 3.64. linux16 (boot a linux kernel on x86 via real-mode code)
• 3.65. linux_exec (execute a command on the host)
• 3.66. ll (list a file or directory with details)
• 3.67. ln (create symlink (make a new name for a file))
• 3.68. loadb (load binary file over serial line (Kermit))
• 3.69. loadenv (load environment from ENVFS)
• 3.70. loads (load binary file over serial line (S-Records))
• 3.71. loadx (load binary file over serial line (X-Modem))
• 3.72. loadxc (load XMAC/XPEC engine with ethernet firmware)
• 3.73. loady (load binary file over serial line (Y-Modem))
• 3.74. login (ask for a password)
• 3.75. ls (list a file or directory)
• 3.76. lsmod (list loaded barebox modules)
• 3.77. lspci (Show PCI info)
• 3.78. magicvar (list information about magic variables)
• 3.79. md (memory display)
• 3.80. md5sum (calculate MD5 checksum)
• 3.81. memcmp (memory compare)
• 3.82. memcpy (memory copy)
• 3.83. meminfo (print info about memory usage)
• 3.84. memset (memory fill)
• 3.85. memtest (extensive memory test)
• 3.86. menu (create and display menus)
• 3.87. menutree (create menu from directory structure)
• 3.88. miitool (view media-independent interface status)
• 3.89. mkdir (make directories)
• 3.90. mm (memory modify with mask)
• 3.91. mmuinfo (show MMU/cache information of an address)
• 3.92. mount (mount a filesystem or list mounted filesystems)
• 3.93. msleep (delay execution for n milli-seconds)
• 3.94. mw (memory write)
• 3.95. mycdev
• 3.96. nand (NAND flash handling)
• 3.97. nand_boot_test (load an image from NAND)
• 3.98. nandtest (NAND flash memory test)
• 3.99. nfs (boot image over NFS)
• 3.100. of_dump (dump devicetree nodes)
• 3.101. of_node (create/delete nodes in the device tree)
• 3.102. of_property (handle device tree properties)
• 3.103. oftree (handle device trees)
• 3.104. passwd (set password)
• 3.105. ping (send ICMP echo requests)
• 3.106. poweroff (turn the power off)
• 3.107. printenv (print value of environment variables)
• 3.108. protect (enable flash write protection)
• 3.109. pwd (print working directory)
• 3.110. readf (read file into variable)
• 3.111. readline (prompt for user input)
• 3.112. readlink (read value of a symbolic link)
• 3.113. reginfo (print register information)
• 3.114. regulator (list regulators)
• 3.115. reset (perform RESET of the CPU)
• 3.116. rm (remove files)
• 3.117. rmdir (remove empty directory(s))
• 3.118. saveenv (save environment to persistent storage)
• 3.119. saves (save file over serial line (S-Records))
• 3.120. setenv (set environment variable)
• 3.121. sh (execute a shell script)
• 3.122. sha1sum (calculate SHA1 digest)
• 3.123. sha224sum (calculate SHA224 digest)
• 3.124. sha256sum (calculate SHA256 digest)
• 3.125. sleep (delay execution for n seconds)
• 3.126. source (execute shell script in current shell environment)
• 3.127. spi (write/read from SPI device)
• 3.128. splash (display a BMP or PNG splash image)
• 3.129. tegrarcm (Usage: tegrarcm)
• 3.130. test (minimal test command like in /bin/sh)
• 3.131. tftp (load (or save) a file using TFTP)
• 3.132. time (measure execution duration of a command)
• 3.133. timeout (wait for a specified timeout)
• 3.134. trigger (handle LED triggers)
• 3.135. true (do nothing, successfully)
• 3.136. ubiattach (attach mtd device to UBI)
• 3.137. ubidetach (detach an UBI device)
• 3.138. ubiformat (format an ubi volume)
• 3.139. ubimkvol (create an UBI volume)
• 3.140. ubirmvol (delete an UBI volume)
• 3.141. uimage (extract/verify uImage)
• 3.142. umount (umount a filesystem)
• 3.143. uncompress (uncompress a compressed file)
• 3.144. unprotect (disable flash write protection)
• 3.145. usb ((re-)detect USB devices)
• 3.146. usbserial (serial gadget enable/disable)
• 3.147. version (print barebox version)
• 3.148. wd (enable/disable/trigger the watchdog)