Shell's common commands for work

1. grep

====================== from Shell script Raiders =================================

• Search from file or standard input.
• -E (E) (equivalent to egrep ) + "Regular expression" + files
• - o (Output matching text only, can be used in conjunction with EGREP)
• - C (Number of rows matched) * * * " egrep-o" Regular expression "| wc-1 "------Statistics match Total quantity
• - L (shows a matching file)
• - b (byte offset, generally combined with-O)
• - I. (Ignoring case)
• - Q (Silent output) View return status ($? : 0 is successful) to determine if the match is successful

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• - N (Line number:)

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• -R (R) (recursive)

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• Matching multi-mode: $ grep-e "regex1"-E "regex2" or grep-f file with multiple styles
• --include, --exclude (specify, exclude files); --color=auto (color)
• -A 3,-B 3,-c 3 (before, after, before the last 3 lines.) When matching multiple, delimiter:--)
• Filter files (0 value bytes as suffixes):$ grep "test" file*-lz | xargs-0 RM

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2. Sed

3.find

4. SCP

5. Netstat

6. PS

Shell's common commands for work