The find command, xargs, cron syntax, at, background jobs, nohup, signals, redirection and process inspection.
35 cards · basic cards · AI-written, checked twice. Edit anything.
- What does find -type f do?
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Finds only regular files- What does find -type d do?
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Finds only directories- How do you search for files matching a pattern with find?
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find -name pattern- What does find -exec do?
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Executes a command on each file found- What does find -mtime do?
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Finds files based on modification time in days- What does find -size do?
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Finds files based on file size- What does xargs do?
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Converts standard input into command-line arguments- What does xargs -n do?
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Limits the number of arguments passed per invocation- What does xargs -I do?
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Replaces a placeholder string with each argument- What does xargs -0 do?
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Treats null characters as input delimiters instead of whitespace- How many fields are in a cron schedule line?
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Five fields: minute hour day-of-month month day-of-week- What does * mean in a cron field?
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Matches any value for that field- How do you specify multiple specific values in a cron field?
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Use a comma-separated list, e.g., 1,3,5- How do you specify a range in a cron field?
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Use a hyphen, e.g., 1-5- How do you specify every Nth value in a cron field?
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Use a slash and step value, e.g., */5
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