https://community.hpe.com/t5/operating-system-linux/etc-shadow/m-p/4878342#M45210 "!!" is used to lock an account. Check man page on passwd, especially the -u -l option sections. <BR /><BR />Chris Wed, 05 Jan 2005 12:13:05 GMT Chris Xu 2005-01-05T12:13:05Z https://community.hpe.com/t5/operating-system-linux/etc-shadow/m-p/4878341#M45209 I tried Googling this, and reading the MAN pages SHADOW (3) and (5), but couldn't find the answer.<BR /><BR />In /etc/shadow, for the services accounts, what does the !! stand for in the "encrypted password" section of the file? Wed, 05 Jan 2005 11:28:38 GMT https://community.hpe.com/t5/operating-system-linux/etc-shadow/m-p/4878341#M45209 Thomas Kemp_1 2005-01-05T11:28:38Z https://community.hpe.com/t5/operating-system-linux/etc-shadow/m-p/4878342#M45210 "!!" is used to lock an account. Check man page on passwd, especially the -u -l option sections. <BR /><BR />Chris Wed, 05 Jan 2005 12:13:05 GMT https://community.hpe.com/t5/operating-system-linux/etc-shadow/m-p/4878342#M45210 Chris Xu 2005-01-05T12:13:05Z https://community.hpe.com/t5/operating-system-linux/etc-shadow/m-p/4878343#M45211 !! locks the account. Wed, 05 Jan 2005 12:35:26 GMT https://community.hpe.com/t5/operating-system-linux/etc-shadow/m-p/4878343#M45211 Thomas Kemp_1 2005-01-05T12:35:26Z