emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
b7cc49d992
busybox/docs/CommandList
Erik Andersen 05df239ed9 Bug fixes. 
-Erik
2000-01-13 04:43:48 +00:00

1023 lines
17 KiB
Plaintext
Raw Blame History

The following document includes a continuous description of the current
commands, functions and utilities included in the busybox.
John Cooper
johnc@lineo.com
_______________________________________________________________________________________________________
BusyBox 0.38, Functions and the Arguments they Support
New Apps that have been added to BusyBox since this document was written:
ping, hostname, mkfifo, free, tail, du, tee, head, sort, uniq, lsmod, rmmod, fbset, and loadacm.
______________________________________________________________________________________________________
cat [file]
Display file contents to standard output.
_______________________________________________________________________________________________________
chmod [-R] Mode,[Mode] file
Change file access permissions (mode) of one or more files.
-R Follows the directory tree from the current location thru all sub-directories,
applying changes.
Mode = u User
g Group
o Other
a All
Permission = r Read
w Write
s Set user (or group) ID
t Sticky bit file cannot be removed by other
than the owner.
________________________________________________________________________________________________________
chown [option] owner[group]file
Change owner and (or) group of file to owner and (or) group.
Only the current owner or a priveleged user may change an owner.
-R Follows the directory tree from the current location thru all sub-directories, applying
changes.
________________________________________________________________________________________________________
chgrp [option] newgroup file
Change group of file or files to new group name or ID number located in /etc/group.
Only the current owner or a priveleged user may change the group name or ID
-R Follows the directory tree from the current location thru all sub-directories,
applying changes.
________________________________________________________________________________________________________
chroot NEWROOT [Command...] (System Admin Command)
Run command with root directory set to NEWROOT. Only the current owner or a priveleged
user may use this command.
________________________________________________________________________________________________________
clear
Clear screen.
________________________________________________________________________________________________________
cp [option] fileA fileB
Copy fileA to fileB or fileA to directory maintaining fileA name.
-a archive Maintain file attributes whenever possible. Same as -dpR
-d no dereference Maintain hard link relationships between fileA and fileB.
No dereference of symbolic links.
-p maintain file Maintain all file attributes and information including owner
attributes group permissions and time information.
-R recursive Copies directories recursively
_________________________________________________________________________________________________________
date [option [+format] [date]
date [option] [MMDDhhmm[[CC]YY][.SS]]
Display the current system date and time.
-R RFC-822 string Output an RFC-822 compliant date string.
-s set DATE Set date where date is entered in MMDDhhmm etc. format.
-u universal Print or set Coordinated Universal Time.
_______________________________________________________________________________________________________
dd [if=name] [of=name] [bs=n] [count=n]
Copy a file, converting and formatting according to options. Most useful when copying from
physical input and output devices.
if=fileA (instead of standard input)
of=fileB (instead of standard output)
bs=n Read and write N Bytes at a time.
count=n Copy only n input blocks.
Bytes may be suffixed by k for x1024, b for x512 and w for x2.
________________________________________________________________________________________________________
df
Display filesystem, number of blocks used, number of blocks available, number of blocks in use,
and mount point.
________________________________________________________________________________________________________
dmesg [-c] [-n level] [-s bufsize] (System Admin Command)
Display system control messages. Stored in the kernel ring buffer are all messages since the
last system boot, or the most recent if the buffer had been full.
-c Clear buffer after printing messages.
-n level Set the level of system message to be displayed on the console.
-s bufsize Display the size of the kernel ring buffer.
________________________________________________________________________________________________________
find [PATH] [EXPRESSION]
Search for files in the current directory, and all subdirectories for patterns that match
expression. Expressions may consist of the following.
-follow Dereference symbolic links.
-name PATTERN Find files that match PATTERN. Metacharacters should be escaped or
quoted.
-print Print full file name, followed by a newline, to standard out.
________________________________________________________________________________________________________
chvt N
Change foreground virtual terminal to /dev/ttyN.
________________________________________________________________________________________________________
deallocvt N
Deallocate unused virtual terminal /dev/ttyN.
________________________________________________________________________________________________________
fsck.minix [-larvsmf] /dev/name
Perform a consistency check for minix filesystems.
-l List filenames.
-r Perform interactive repairs.
-a Perform automatic repairs
-v Verbose
-s Output superblock information
-m Activates minix-like "mode not cleared" warnings.
-f Force file system check.
________________________________________________________________________________________________________
mkfs.minix [-c | -l filename ] [-nXX] [-iXX] /dev/name [blocks]
Make a minix file system.
-c Check device for bad blocks.
-n [ 14|30 ] Specify max length of filenames.
-i Specify number of inodes for filesystem.
-l filename
Read the bad blocks list from filename.
-v Make a minix version 2 filesystem.
________________________________________________________________________________________________________
grep [OPTIONS] PATTERN [FILE]
Search for PATTERN in each FILE or from standard input.
-h Suppress prefixing filename on output.
-i Ignore case distinctions.
-n Print line number with output lines.
________________________________________________________________________________________________________
init
The parent of all processes. Only to be run by the kernel.
________________________________________________________________________________________________________
kill [ -s sigspec | -signum | -sigspec ] [pid | job ] or
kill -l [ exitstatus ]
Currently no information help page for this command
________________________________________________________________________________________________________
ln [option] TARGET... LINK_NAME|DIRECTORY
Create a link named LINK_NAME or DIRECTORY to TARGET.
-s Make symbolic links instead of hard links.
-f Remove existing destination files.
________________________________________________________________________________________________________
ls [ -1acdelnpuxACF ] [FILENAMES]
List contents of directories.
-1 Single entry per column of output.
-a All files including hidden files beginning with a ..
-c Files are listed by status change time.
-d List directories, not there contents.
-e (no information on this option)
-l List in long format including permissions, owner, size
modification time etc.
-n Similar to -l, except use group ID and user ID instead
of owner and group names.
-p Directories are marked with a /.
-u Display files sorted by file access time.
-x Display files across the screen in rows.
-A Display hidden and all other files except . and ...
-C (Default, display files in columns)
-F Tag files by type by appending:
/ to directories
* to executables
@ to symbolic links
| to fifo's
= to sockets
________________________________________________________________________________________________________
mkdir [OPTION] directory
Create directories if they do not already exist. You must have write permission to create
directories. Default mode can be modified by users umask.
-m Used to set permission mode. (See chmod description)
-p Make parent directories if they don't already exist. Return error code if
they already exist.
________________________________________________________________________________________________________
mknod (Segmentation Fault when executing this command)
(No embedix information available for this command.)
________________________________________________________________________________________________________
mkswap [-c] [ -v0|-v1 ] device [block-count]
Prepare a disk partition to be used as a swap partition.
-c Check for read-ability.
-v0 Make version 0 swap [max 128 megs]
-v1 Make version 1 swap [big |] default for
kernels > 2.1.117.
block-count
Number of blocks to use. (Default is the entire
partition).
________________________________________________________________________________________________________
more [file]
Display file one screen page at a time.
________________________________________________________________________________________________________
mount [flags]
mount [flags] device directory [-o options, more options ]
Mount a filesystem for file access.
-a Mount all file systems in fstab.
-o option
async/sync: Writes are asynchronous/synchronous.
dev/nodev: Allow use of special device files
/disallow them.
exec/noexec: Allow use of executable files
/disallow them.
suid/nosuid: Allow set-user-id-root programs
/disallow them.
remount: Remount a currently-mounted filesystem
changing it's flags.
ro/rw: Mount for read-only/read-write.
(There are more flags specific to each filesystem.
See the written documentation for those.)
-r Mount the filesystem read only.
-t FILESYSTEM TYPE
Specify the filesystem type.
-w Mount for reading and writing default
________________________________________________________________________________________________________
mv fileA fileB or
mv fileA dirA
Move fileA to fileB. (Renames fileA to fileB)
Move fileA to dirA (Moves fileA into dirA)
________________________________________________________________________________________________________
ps
Report process status. No options are currently supported.
________________________________________________________________________________________________________
pwd
Print working directory
________________________________________________________________________________________________________
reboot
Reboot system. No options are currently supported.
________________________________________________________________________________________________________
rm [option] file
Remove or unlink the files.
-f Remove existing destinations. Never prompt.
-r or -R Remove contents of directories recursively.
________________________________________________________________________________________________________
rmdir [OPTION] ... directory
Remove directories if they are empty.
________________________________________________________________________________________________________
sed
Usage: sed [-n] -e script [file...]
Allowed sed scripts come in the following form:
'ADDR [!] COMMAND'
where address ADDR can be:
NUMBER Match specified line number
$ Match last line
/REGEXP/ Match specified regexp
(! inverts the meaning of the match)
and COMMAND can be:
s/regexp/replacement/[igp]
which attempt to match regexp against the pattern space
and if successful replaces the matched portion with replacement.
aTEXT
which appends TEXT after the pattern space
Options:
-e add the script to the commands to be executed
-n suppress automatic printing of pattern space
This version of sed matches full regular expresions.
________________________________________________________________________________________________________
sleep N
Pause for N seconds.
________________________________________________________________________________________________________
tar -[cxtvOf] [tarFileName] [file]
Create, extract or list files from a tar file.
c=create
x=extract
t=list contents
v=verbose
O=extract to stdout
f=tarfile or "-" for standard input
________________________________________________________________________________________________________
swapon device
Start swapping virtual memory pages on the given device.
________________________________________________________________________________________________________
swapoff device
Stop swapping virtual memory pages on the given device.
________________________________________________________________________________________________________
sync
Write all buffered filesystem blocks to disk.
________________________________________________________________________________________________________
touch [-c] file [file...]
Update the last modified date on given file(s).
________________________________________________________________________________________________________
true
A null command that returns a successful 0 exit status code. (See false)
________________________________________________________________________________________________________
false
A null command that returns an unsuccessful or non-zero exit status.
________________________________________________________________________________________________________
uname [option]
Print certain system information. With no option, same as -s.
-a Display all information
-m Display machine hardware type.
-n Display machine network node hostname.
-r Display OS release
-s Display OS Name.
-p Display Host processor type.
-v Display OS Version.
________________________________________________________________________________________________________
umount [flags] filesystem | directory
Unmounts designated filesystem previously mounted on device.
-a Unmount all file systems.
________________________________________________________________________________________________________
update
cvs update [options] files
Incorporates recent changes from the repository into files in your working directory. No
options are currently supported.
________________________________________________________________________________________________________
zcat [options] files
Usage: zcat [OPTION]... FILE
Uncompress FILE (or standard input if FILE is '-').
(When invoked as zcat, defaults to having -c turned on)
Options:
-c Write output to standard output
-t Test compressed file integrity
________________________________________________________________________________________________________
gunzip (Same as zcat, but without the "-c" option.)
________________________________________________________________________________________________________
gzip [OPTION]... FILE
Compress FILE with maximum compression.
When FILE is -, reads standard input. Implies -c.
Options:
-c Write output to standard output instead of FILE.gz
________________________________________________________________________________________________________
loadfont
No information available with --help.
________________________________________________________________________________________________________
loadkmap
No information available with --help
________________________________________________________________________________________________________
linuxrc
No information available with --help
________________________________________________________________________________________________________
Reference in New Issue View Git Blame Copy Permalink