#ls -a ; du -hs #ls -a bogusdir && du -hs
#make dep && make clean && make bzImage && make modules && make modules_install && make install
#gqview &
#ls -a ; du -hs #ls -a bogusdir && du -hs
#make dep && make clean && make bzImage && make modules && make modules_install && make install
#gqview &
#jobs
[1]+ Running gqview &
#gqview
<CTRL z>
[2]+ Stopped gqview
#bg
[2]+ gqview &
#command &>/dev/null &
#locate README.mouse
#less $(locate README.mouse)
#pidof rob
567
#kill 567
#kill `pidof rob`
#rm *.bak
#rm *[!6]*.bak
#ls *.????
#rm *[!4]?.*
#ls [13]*
#ls *[3-8]?.*
#rm !*
rm
rm: too few arguments
#find . -name [1-9]* -print
find: paths must precede expression
#find . -name '[1-9]*' -print
./346.bak
./124.bak
./583.bak
./311.bak~
#ls \!* 或者 ls '!'*
!56.bak
#ls -l │ less
#rpm -qa │ grep ^x │ less
#ls > dirlist
#sort < dirlist > sdirlist
#ls │ sort > sdirlist
#echo "string" >> file
#command < file1 > file1
#command < file1 >> file1