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[wpsadmin]:/home/wpsadmin>l
drw-rw-rw- 2 wpsadmin db2grp3 256 Sep 27 18:40 t
[wpsadmin]:/home/wpsadmin>cd t
ksh: t: Permission denied.
[wpsadmin]:/home/wpsadmin>umask 0000
[wpsadmin]:/home/wpsadmin>tar -xvf test.tar
x t
t/t1: The file access permissions do not allow the specified action.
[wpsadmin]:/home/wpsadmin>umask
00
[wpsadmin]:/home/wpsadmin>
[wpsadmin]:/home/wpsadmin>umask
0777
[wpsadmin]:/home/wpsadmin>tar -xvf test.tar
x t
t/t1: The file access permissions do not allow the specified action.
[wpsadmin]:/home/wpsadmin>
ls a* | xargs chmod 777