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Change permissions for a comma separated list of users.
Permission bits are represented as ‘r’, ‘w’ and ‘x’.
Prefixing ‘+’ grants the permission, ‘-’ removes it. The third
parameter is a comma separated list of commands or windows (specified either
by number or title). The special list ‘#’ refers to all windows, ‘?’
to all commands. If usernames consists of a single ‘*’, all
known users are affected.
A command can be executed when the user has the ‘x’ bit for it. The user
can type input to a window when he has its ‘w’ bit set and no other
user obtains a writelock for this window. Other bits are currently ignored.
To withdraw the writelock from another user in e.g. window 2:
‘aclchg username -w+w 2’. To allow read-only access
to the session: ‘aclchg username -w "#"’. As soon as a user’s name
is known to screen, he can attach to the session and (per default) has full
permissions for all command and windows. Execution permission for the acl
commands, at and others should also be removed or the user may be able
to regain write permission.
Chacl is a synonym to aclchg.
Multi-user mode only.