A
A
Appendix A
System Commands
µClinux normal command utility collection
File manager
cp
copy file
ls
list file
ln
make symbolic link file
mount
mount and check file system
rm
delete file
chmod
change file owner & group & user
chown
change file owner
chgrp
change file group
sync
sync file system; save system file buffer to hardware
mv
move file
pwd
display active file directly
df
list active file system space
du
estimate file space usage
mkdir
make new directory
rmdir
delete directory
head
print the first 10 lines of each file to standard output
tail
print the last 10 lines of each file to standard output
touch
update the access and modification times of each file to the current time
Editor
vi
text editor
cat
dump file context
grep
print lines matching a pattern
cut
remove sections from each line of files
find
search for files in a directory hierarchy
more
dump file by one page
test
test if file exists or not
echo
echo string
