不定期更新的日常。。。。

        cd,ls,cal,bc,vi,date,reboot,sync,chgrp,chown,chmod,touch,su,pwd,cp,rm,mv,basename,dirname,cat -(n),tac,nl,more,less,head -(n),tail,umask,which,locate,find

        shutdown -(h/r/k) (now/10:10/+10)

        mkdir -(p/m),rmdir,

        chattr  (+-)(i/a)

        gzip -(v/d/c/6),zcat

        bzip2 -(z/d/c/6),bzcat

        tar -(j/z)cvf file.tag.(bz2/gz)

        tar -(j/z)tvf

        tar -(j/z)xvf file.tag.(bz2/gz) -C

        grep 

        sed

        awk