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#util-linux

2 posts

Shell & TerminalDeep Dive October 14, 2026 5 min read

util-linux getopt in Bash: Long Options, Quoted Arguments, and the eval Boundary

Parse long options with util-linux getopt, preserve argv boundaries, detect incompatible implementations, and constrain eval to parser-generated syntax.

#shell#util-linux#getopt

Shell & TerminalDeep Dive October 13, 2026 5 min read

util-linux script and scriptreplay: PTY Session Logs Without False Audit Guarantees

Capture util-linux pseudo-terminal sessions, replay output with timing data, and protect input logs from passwords, control sequences, and retention mistakes.

#shell#util-linux#terminal