Source Code Control System (SCCS)

CONCEPTS

• A control file s.filename contains the current version of the corresponding controlled document, filename, and its revision history, including details of changes made.

• Only one user may change a given document at any given time.

• Binary files are not handled by SCCS.

COMMANDS

• admin: Create new control files and modify parameters of existing ones

• delta: Check changes made to controlled file into its control file

• get: Obtain either an editable or read-only version of a controlled file

• prs: Print some (or all) of the contents of a control file

• rmdel: Remove a "delta" (i.e., a change) from a control file

• sact: Show current editing activity on a controlled file

• unget: Cancel the edit of a controlled file

• val: Validate a control file

• what: Indentify a controlled file

REMARKS

• Originally developed at AT&T Bell Labs for C language code maintenance.

• Relatively unsophisticated, but usually accompanies C compilers