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第 24 章 Shell command
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第 24 章 Shell command

目錄

24.1. Help Commands
24.1.1. man - an interface to the on-line reference manuals
24.1.1.1. manpath.config
24.1.1.2. 查看man手冊位置
24.1.1.3. 指定手冊位置
24.2. getconf - Query system configuration variables
24.3. Directory and File System Related
24.3.1. dirname
24.3.2. filename
24.3.2.1. 排除副檔名
24.3.2.2. 取副檔名
24.3.3. test - check file types and compare values
24.3.4. stat
24.3.5. mkdir - make directories
24.3.6. rename
24.3.7. touch
24.3.8. ls - list directory contents
24.3.8.1. full-time / time-style 定義日期時間格式
24.3.9. cp - copy files and directories
24.3.9.1. copy directories recursively
24.3.9.2. overwrite an existing file
24.3.9.3. -a, --archive same as -dR --preserve=all
24.3.10. rm - remove files or directories
24.3.10.1. -bash: /bin/rm: Argument list too long
24.3.10.2. zsh: sure you want to delete all the files in /tmp [yn]?
24.3.11. df - report file system disk space usage
24.3.12. du - estimate file space usage
24.3.13. tac - concatenate and print files in reverse
24.3.14. split - split a file into pieces
24.3.14.1. 按行分割檔案
24.3.14.2. 按尺寸分割檔案
24.3.15. find - search for files in a directory hierarchy
24.3.15.1. name
24.3.15.2. regex
24.3.15.3. user
24.3.15.4. perm
24.3.15.5. type
24.3.15.6. -delete
24.3.15.7. exec
24.3.15.8. xargs
24.3.15.9. 排除目錄
24.3.15.10. -mmin n File's data was last modified n minutes ago.
24.3.15.11. -mtime / -mmin
24.3.15.12. --newer
24.3.15.13. -print / -printf
24.3.15.14. -size
24.4. package / compress and decompress
24.4.1. tar — The GNU version of the tar archiving utility
24.4.1.1. tar examples
24.4.1.2. gunzip
24.4.1.3. b2zip
24.4.1.4. compress
24.4.1.5. -t, --list
24.4.1.6. tar: Removing leading `/’ from member names
24.4.1.7. -C, --directory=DIR
24.4.1.8. -P, --absolute-names don't strip leading `/'s from file names
24.4.1.9. --exclude
24.4.1.10. -T
24.4.1.11. 日期過濾
24.4.1.12. 保留權限
24.4.1.13. -r, --append
24.4.1.14. 遠程傳輸
24.4.1.15. 分卷壓縮
24.4.2. cpio - copy files to and from archives
24.4.3. gzip
24.4.4. zip, zipcloak, zipnote, zipsplit - package and compress (archive) files
24.4.5. RAR
24.4.6. 7-Zip
24.4.6.1. 壓縮
24.4.6.2. 瀏覽壓縮包
24.4.6.3. 解壓
24.4.6.4. Creates self extracting archive.
24.5. date and time
24.5.1. 日期格式
24.5.2. -d --date=
24.5.2.1. 日期偏移量
24.5.2.2. 時間偏移
24.5.3. weekday name
24.5.4. UTC
24.6. Numeric
24.6.1. 數值運算
24.6.2. seq - print a sequence of numbers
24.6.3. bc - An arbitrary precision calculator language
24.7. Text Processing
24.7.1. iconv - Convert encoding of given files from one encoding to another
24.7.1.1. cconv - A iconv based simplified-traditional chinese conversion tool
24.7.1.2. uconv - convert data from one encoding to another
24.7.2. 字元串處理命令expr
24.7.3. cat - concatenate files and print on the standard output
24.7.3.1. -s, --squeeze-blank suppress repeated empty output lines
24.7.4. nl - number lines of files
24.7.5. od - dump files in octal and other formats
24.7.5.1. 16進制
24.7.6. tr - translate or delete characters
24.7.7. cut - remove sections from each line of files
24.7.8. printf - format and print data
24.7.9. Free `recode' converts files between various character sets and surfaces.
24.7.10. /dev/urandom 隨機字元串
24.7.11. col - filter reverse line feeds from input
24.7.12. apg - generates several random passwords
24.7.13. head/tail
24.7.14. 反轉字元串或檔案內容
24.8. grep, egrep, fgrep, rgrep - print lines matching a pattern
24.8.1. 刪除空行
24.8.2. -v, --invert-match
24.8.3. Output control
24.8.3.1. -o, --only-matching show only the part of a line matching PATTERN
24.8.3.2. 遞歸操作
24.8.3.3. -c, --count print only a count of matching lines per FILE
24.8.4. Context control
24.8.4.1. -A, --after-context=NUM print NUM lines of trailing context
24.8.4.2. -B, --before-context=NUM print NUM lines of leading context
24.8.4.3. -C, --context=NUM print NUM lines of output context
24.8.4.4. --color
24.8.5. Regexp selection and interpretation
24.8.5.1. .*
24.8.5.2. 2010:(13|14|15|16)
24.8.5.3. []與{}
24.8.5.4. -P, --perl-regexp Perl正則表達式
24.8.6. fgrep
24.8.7. egrep
24.9. sort - sort lines of text files
24.9.1. 對列排序
24.10. uniq
24.11. 表格操作/行列轉換
24.11.1. column - columnate lists
24.11.2. paste - merge lines of files
24.12. standard input/output
24.12.1. xargs - build and execute command lines from standard input
24.12.1.1. 格式化
24.12.1.2. standard input
24.12.1.3. -I 替換操作
24.13. Logging
24.13.1. logger - a shell command interface to the syslog(3) system log module
24.14. Password
24.14.1. Shadow password suite configuration.
24.14.2. newusers - update and create new users in batch
24.14.3. chpasswd - update passwords in batch mode
24.15. binutils
24.15.1. strings - print the strings of printable characters in files.

24.1. Help Commands

24.1.1. man - an interface to the on-line reference manuals

24.1.1.1. manpath.config

cat /etc/manpath.config

24.1.1.2. 查看man手冊位置

$ man -aw ls
/usr/share/man/man1/ls.1.gz

24.1.1.3. 指定手冊位置

man -M /home/mysql/man mysql
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23.6. FAQ 起始頁 24.2. getconf - Query system configuration variables