Solaris modify a user account

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You need to use usermod command. The usermod utility modifies a user’s login definition on the system. It changes the definition of the specified login and makes the appropriate login-related system file and file system changes.


For example adds user didi to the group called pusers.
# usermod -G pusers didi

Both useradd and usermod support following common options:

  • -u 1030 : Use UID 101
  • -g pusers : Specify user’s primary login group
  • -G ftp,admin,www : Specify user’s secondary group membership
  • -d /nas/home/user : Specify user’s home directory
  • -s /usr/bin/bash : Specify user’s login shell

These are most common options read man page of usremod for rest of all options.

According to man page of usermod “The system file entries created with this command have a
limit of 512 characters per line. Specifying long arguments to several options may exceed this limit.”


Posted by: Vivek Gite

The author is the creator of nixCraft and a seasoned sysadmin, DevOps engineer, and a trainer for the Linux operating system/Unix shell scripting. Get the latest tutorials on SysAdmin, Linux/Unix and open source topics via RSS/XML feed or weekly email newsletter.

2 comment

  1. Why do so many sysadmins continue to change a user account by directly editing the /etc/passwd file? Especially when they themselves are supposed to my so security minded.

  2. usermod is especially useful. Note, updating a user homedir will need some additional work to make sure the old directory contents are available on the new path specified.

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