Command_line-cheatsheets速查表
List (ls)
ls [options] [paths]Format
| Switch | Description |
|---|---|
-1 |
One entry per line |
-l |
Long view |
-o |
Long view (without groups) |
-C |
Multicolumn (sorted horizontally) |
-x |
Multicolumn (sorted vertically) |
| --- | |
-F |
Add / after directories |
-G |
Color |
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Options
| -R | Recurse |
| -a | Include hidden (dotfiles) |
| -A | Include hidden (but not . and ..) |
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Sorting
| Switch | Description |
|---|---|
-r |
reverse order |
-S |
sort by size |
-t |
sort by time modified |
-u |
sort by time accessed |
-U |
sort by time created |
-c |
sort by time status was changed |
| --- | |
-h |
Human-readable size (3k) |
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Tail
tail [-F | -f | -r] [-bN | -cN | -nN] [file ...]Modes
| -f | follow |
| -F | follow by filename (accounts for log rotation) |
| -r | Reverse order |
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Options
| -bN | N*512 bytes |
| -cN | N bytes |
| -nN | N lines |
| +N | Start from line N |
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Sudo
sudo [options] <command>Listing
| -l | List allowed commands |
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Options
| -A | Use $SUDO_ASKPASS |
| -b | Run in background |
| -E | Preserve environment |
| -H | use target's $HOME |
| -n | Don't prompt for password |
| -P | Preserve group vector |
| -S | Read password from stdin |
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File descriptors
| -C fd | Close all open file descriptors |
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Prompt
| -p prompt | Custom prompt (-p "%p password:") |
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Interactive
| Switch | Description |
|---|---|
-i [cmd] |
Interactive shell without variables |
-s [cmd] |
Interactive shell |
| ---- | |
-u user |
run as this user |
-g group |
run as this group |
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Timestamp
| -v | revalidate timestamp for 5 mins |
| -k | invalidate timestamp |
| -K | just like -k |
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wc (Word count)
... | wc [options]| -c | Bytes |
| -l | Lines |
| -m | Characters (incl multi-byte) |
| -w | Words |
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Search-and-replace in all files
perl -p -i -e 's/hello/HELLO/g' **/*Grep
grep [options] [pattern] [file ...]Options
| Switch | Description |
|---|---|
-A num |
Print num lines of training context |
| ---- | |
-G |
--basic-regexp (default) |
-E |
--extended-regexp |
-P |
--perl-regexp |
| ---- | |
-f file |
--file (Get patterns for file) |
-F |
--fixed-strings |
| ---- | |
-h |
--no-filename |
-H |
--with-filename |
| ---- | |
-l |
--files-with-matches (just print filenames) |
-L |
--files-without-match |
| ---- | |
-r, -R |
--recursive |
-v |
--invert-match |
-i |
--ignore-case |
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Synonyms
egrep => grep -E
fgrep => grep -F