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landing/docs/commands/access/passwd.md

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+
+# The `passwd` command
+
+In Linux, `passwd` command changes the password of user accounts. A normal user may only change the password for their own account, but a superuser may change the password for any account.
+`passwd` also changes the account or associated password validity period.
+
+
+## Example
+
+```bash
+$ passwd
+
+```
+
+
+## The syntax of the `passwd` command is :
+
+```bash
+$ passwd [options] [LOGIN]
+
+```
+## options
+
+```bash
+-a, --all
+        This option can be used only with -S and causes show status for all users.
+
+-d, --delete
+        Delete a user's password.
+
+-e, --expire
+        Immediately expire an account's password.
+
+-h, --help
+        Display help message and exit.
+
+-i, --inactive
+        This option is used to disable an account after the password has been expired for a number of days.
+
+-k, --keep-tokens
+        Indicate password change should be performed only for expired authentication tokens (passwords).
+
+-l, --lock
+        Lock the password of the named account.
+
+-q, --quiet
+        Quiet mode.
+
+-r, --repository
+        change password in repository.
+
+-S, --status
+        Display account status information.                                                                        
+
+```