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🖥️ SG(1) User Commands

📝 NAME

sg — execute command as different group ID

🚀 Quick Reference

Use Case	Command	Description
🔑 Run command as another group	sg [-c] command	Execute a single command with the group ID of the specified group (default: the group you are switching to)
🔄 Start a shell with a different group	sg [-] group	Start a new interactive shell with the group ID set to the given group; the dash (`-`) starts a login shell
📝 Run multi-word command	sg group -c "command with args"	Use quotes to pass a command with multiple words (most shells require this)

📋 SYNOPSIS

sg [-] [group [-c ] command]

📖 DESCRIPTION

The sg command works similar to newgrp but accepts a command. The command will be executed with the /bin/sh shell. With most shells you may run sg from, you need to enclose multi-word commands in quotes. Another difference between newgrp and sg is that some shells treat newgrp specially, replacing themselves with a new instance of a shell that newgrp creates. This doesn't happen with sg, so upon exit from a sg command you are returned to your previous group ID.

⚙️ CONFIGURATION

The following configuration variables in /etc/login.defs change the behavior of this tool:

• SYSLOG_SG_ENAB (boolean) — Enable "syslog" logging of sg activity.

📁 FILES

• /etc/passwd — User account information.
• /etc/shadow — Secure user account information.
• /etc/group — Group account information.
• /etc/gshadow — Secure group account information.

🔗 SEE ALSO

• id(1)
• login(1)
• newgrp(1)
• su(1)
• gpasswd(1)
• group(5)
• gshadow(5)

shadow-utils 4.8.1 02/06/2024 SG(1)

🖥️ SG(1) User Commands 📝 NAME 🚀 Quick Reference 📋 SYNOPSIS 📖 DESCRIPTION ⚙️ CONFIGURATION 📁 FILES 🔗 SEE ALSO