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- 22. Bash Shell
- 22.1. bash - GNU Bourne-Again SHell
- 22.1.1. -n 检查脚本是否有语法错误
- 22.1.2. -x 显示详细运行过程
- 22.2. 切换身份
- 22.3. I/O 重定向
- 22.3.1. stdout
- 22.3.2. error 重定向
- 22.3.3. 使用块记录日志
- 22.3.4. test - 条件判断命令
- 22.3.5. tee - read from standard input and write to standard output and files
- 22.3.6. 创建文件
- 22.3.7. 快速清空一个文件的内容
- 22.4. pipes (FIFOs)
- 22.5. mktemp - create a temporary file or directory 临时目录与文件
- 22.6. History 命令历史记录
- 22.6.1. .bash_history
- 22.6.2. 清理历史记录
- 22.6.3. .mysql_history
- 22.7. hash - hash database access method
- 22.8. prompt
- 22.9. 变量 variable
- 22.9.1. 系统变量
- 22.9.2. 表达式
- 22.9.3. Internal Environment Variables
- 22.9.4. set 设置变量
- 22.9.5. unset 变量销毁
- 22.9.6. 设置变量默认值
- 22.9.7. export 设置全局变量
- 22.9.8. declare
- 22.9.9. Numerical 数值运算
- 22.9.10. Strings 字符串操作
- 22.9.11. Array 数组
- 22.9.12. read 赋值多个变量
- 22.9.13. eval
- 22.9.14. typeset
- 22.9.15. envsubst - substitutes environment variables in shell format strings
- 22.10. conditions if and case
- 22.10.1. if
- 22.10.2. case
- 22.11. Loops for, while and until
- 22.11.1. for
- 22.11.2. while
- 22.11.3. until
- 22.12. Functions
- 22.12.1. Local variables
- 22.13. User interfaces
- 22.13.1. input
- 22.14. subshell
- 22.15. Help Commands
- 22.15.1. man - an interface to the on-line reference manuals
- 22.16. getconf - Query system configuration variables
- 22.17. 快捷键
- 22.17.1. 命令行编辑命令
- 22.17.2. 重新执行命令快捷键
- 22.17.3. 终端控制快捷键
- 22.17.4. Bang (!) 命令
- 22.18. chsh - change login shell
- 22.19. 执行程序返回值
- 22.20. Z Shell
- 22.20.1. installing Z shell
- 22.20.2. Oh My ZSH!
- 22.20.3. Starting file
- 22.20.4. Prompting
- 22.20.5. Aliases
- 22.20.6. History
- 22.20.7. FAQ
- 22.21. Berkeley UNIX C shell (csh)
- 22.21.1.
- 22.22. KornShell
- 22.22.1.
- 22.23. fish shell
- 22.23.1. 安装 fish shell
- 22.23.2. 配置 fish
- 22.23.3. 环境变量
- 22.24. 有趣的 Shell 应用
- 22.24.1. Ascii 星球大战电影
- 22.24.2. 天气预报
- 22.24.3. htop - interactive process viewer
- 22.24.4. elinks
- 22.24.5. chat
- 22.25. Example
- 22.25.1. 有趣的Shell
- 22.25.2. backup
- 22.25.3. CPU 核心数
- 22.25.4. Password
- 22.25.5. processes
- 22.25.6. Shell 技巧
- 22.25.7. to convert utf-8 from gb2312 code
- 22.25.8. 使用内存的百分比
- 22.25.9. 合并apache被cronlog分割的log文件
- 22.25.10. Linux 交集 差集 并集
- 23. 目录和文件
- 23.1. dirname - 提取目录部分
- 23.2. basename - 提取文件名部分
- 23.2.1. 排除扩展名
- 23.2.2. 取扩展名
- 23.3. file — determine file type
- 23.4. stat
- 23.5. file – determine file type
- 23.6. mkdir - make directories
- 23.7. rename
- 23.8. touch
- 23.9. truncate
- 23.10. ls - list directory contents
- 23.10.1. full-time / time-style 定义日期时间格式
- 23.11. cp - copy files and directories
- 23.11.1. copy directories recursively
- 23.11.2. 覆盖已存在的文件
- 23.11.3. -a, --archive same as -dR --preserve=all
- 23.12. rm - remove files or directories
- 23.12.1. -bash: /bin/rm: Argument list too long
- 23.12.2. zsh: sure you want to delete all the files in /tmp [yn]?
- 23.13. df - report file system disk space usage
- 23.14. du - estimate file space usage
- 23.15. tac - concatenate and print files in reverse
- 23.16. split - split a file into pieces
- 23.16.1. 按行分割文件
- 23.16.2. 按尺寸分割文件
- 23.17. find - search for files in a directory hierarchy
- 23.17.1. 多目录匹配
- 23.17.2. name
- 23.17.3. regex
- 23.17.4. user
- 23.17.5. perm
- 23.17.6. type
- 23.17.7. -delete
- 23.17.8. exec
- 23.17.9. 排除目录
- 23.17.10. -ctime / -cmin - 按状态改变时间查找
- 23.17.11. -mtime / -mmin - 按修改时间查找
- 23.17.12. --newer
- 23.17.13. -print / -printf
- 23.17.14. -size
- 23.17.15. -path
- 23.17.16. 目录深度控制
- 23.17.17. xargs
- 23.17.18. 查看空文件
- 24. 包管理 / 压缩 / 解压
- 24.1. tar — The GNU version of the tar archiving utility
- 24.1.1. tar examples
- 24.1.2. gunzip
- 24.1.3. b2zip
- 24.1.4. compress
- 24.1.5. .xz 文件
- 24.1.6. -t, --list
- 24.1.7. tar: Removing leading `/’ from member names
- 24.1.8. -C, --directory=DIR
- 24.1.9. --exclude
- 24.1.10. -T
- 24.1.11. 日期过滤
- 24.1.12. 保留权限
- 24.1.13. -r, --append
- 24.1.14. 远程传输
- 24.1.15. 分卷压缩
- 24.2. cpio - copy files to and from archives
- 24.3. gzip
- 24.4. zip, zipcloak, zipnote, zipsplit - package and compress (archive) files
- 24.5. bzip2, bunzip2 - a block-sorting file compressor
- 24.6. RAR
- 24.7. 7-Zip
- 24.7.1. 压缩
- 24.7.2. 浏览压缩包
- 24.7.3. 解压
- 24.7.4. Creates self extracting archive.
- 24.8. RAR
- 24.9. xz, unxz, xzcat, lzma, unlzma, lzcat - Compress or decompress .xz and .lzma files
- 25. 日期和时间
- 25.1. 日期格式
- 25.1.1. weekday name
- 25.2. -d --date=
- 25.2.1. 日期偏移量
- 25.2.2. 时间偏移
- 25.3. 时间戳
- 25.4. RFC 2822
- 25.5. UTC
- 25.6. 字符串转日期
- 26. 数值与运算
- 26.1. 数值运算
- 26.2. seq - print a sequence of numbers
- 26.3. bc - An arbitrary precision calculator language
- 27. 文本处理
- 27.1. iconv - Convert encoding of given files from one encoding to another
- 27.1.1. cconv - A iconv based simplified-traditional chinese conversion tool
- 27.1.2. uconv - convert data from one encoding to another
- 27.2. 字符串处理命令expr
- 27.3. cat - concatenate files and print on the standard output
- 27.3.1. -s, --squeeze-blank suppress repeated empty output lines
- 27.3.2. -v, --show-nonprinting use ^ and M- notation, except for LFD and TAB
- 27.3.3. 与管道配合使用
- 27.4. nl - number lines of files
- 27.5. tr - translate or delete characters
- 27.5.1. 替换字符
- 27.5.2. 英文大小写转换
- 27.5.3. [CHAR*] 和 [CHAR*REPEAT]
- 27.5.4. -s, --squeeze-repeats replace each input sequence of a repeated character that is listed in SET1 with a single occurrence of that character
- 27.5.5. -d, --delete
delete characters in SET1, do not translate
- 27.6. cut - remove sections from each line of files
- 27.6.1. 字符操作
- 27.6.2. 列操作
- 27.7. printf - format and print data
- 27.8. Free `recode' converts files between various character sets and surfaces.
- 27.9. /dev/urandom 随机字符串
- 27.10. col - filter reverse line feeds from input
- 27.11. apg - generates several random passwords
- 27.12. head/tail
- 27.12.1. 彩色输出
- 27.12.2. 跳过 n 行，输出后面内容
- 27.12.3. 尾部剪掉 n 行
- 27.13. 反转字符串或文件内容
- 27.14. TAB符号与空格处理
- 27.14.1. expand - convert tabs to spaces
- 27.14.2. unexpand - convert spaces to tabs
- 27.15. grep, egrep, fgrep, rgrep - print lines matching a pattern
- 27.15.1. 删除空行
- 27.15.2. -v, --invert-match
- 27.15.3. 输出控制（Output control）
- 27.15.4. Context control
- 27.15.5. Regexp selection and interpretation
- 27.15.6. fgrep
- 27.15.7. egrep
- 27.16. sort - sort lines of text files
- 27.16.1. 对列排序
- 27.16.2. -s, --stable stabilize sort by disabling last-resort comparison
- 27.17. uniq
- 27.18. awk
- 27.18.1. 处理列
- 27.18.2. printf
- 27.18.3. Pattern(字符匹配)
- 27.18.4. Built-in Variables (NR/NF)
- 27.18.5. Built-in Functions
- 27.18.6. 过滤相同的行
- 27.18.7. 数组演示
- 27.19. sed
- 27.19.1. 查找与替换
- 27.19.2. insert 插入字符
- 27.19.3. 追加字符
- 27.19.4. 修改字符
- 27.19.5. 删除字符
- 27.19.6. 行操作
- 27.19.7. 编辑文件
- 27.19.8. 正则表达式
- 27.19.9. 管道操作
- 27.19.10. 字母大小写转换
- 27.19.11. perl
- 27.19.12. 案例
- 27.20. ed, red - text editor
- 27.21. vim
- 27.21.1. vim 初始化
- 27.21.2. 查找与替换
- 27.21.3. 删除操作
- 27.21.4. 插入文件
- 27.21.5. 批处理
- 27.21.6. line()
- 27.21.7. set fileformat
- 27.21.8. 空格与TAB转换
- 27.22. XML 工具
- 27.22.1. xmllint - command line XML tool
- 27.22.2. xmlstarlet - command line XML/XSLT toolkit
- 27.23. jq - Command-line JSON processor
- 27.23.1. --raw-output
- 28. 表格操作/行列转换
- 28.1. column - columnate lists
- 28.2. paste - merge lines of files
- 28.3. join
- 29. standard input/output
- 29.1. standard input/output
- 29.1.1. xargs - build and execute command lines from standard input
- 29.2. flock - manage locks from shell scripts
- 30. 进制转换 - 16进制 - 8进制 - 二进制
- 30.1. od - dump files in octal and other formats
- 30.1.1. 16进制
- 30.1.2. 使用 od 随机生成密码
- 30.2. hexdump, hd -- ASCII, decimal, hexadecimal, octal dump
- 30.3. xxd - make a hexdump or do the reverse.
- 30.3.1. 指定每行的列数
- 30.3.2. 跳过字节
- 30.4. binutils
- 30.4.1. strings - print the strings of printable characters in files.
- 31. 文件比较
- 31.1. diff
- 31.2. sdiff
- 31.3. diff3
- 32. Wget - The non-interactive network downloader.
- 32.1. Logging and input file
- 32.1.1. -i, --input-file=FILE download URLs found in local or external FILE.
- 32.2. 下载相关参数
- 32.2.1. -O, --output-document=FILE write documents to FILE 保存到文件
- 32.3. HTTP options (HTTP 选项)
- 32.3.1. --post-data=STRING use the POST method; send STRING as the data.
- 32.3.2. header HTTP头定义
- 32.4. Recursive download
- 32.4.1. -r, --recursive specify recursive download.
- 32.4.2. -m, --mirror shortcut for -N -r -l inf --no-remove-listing.
- 32.5. --no-passive-ftp disable the "passive" transfer mode.
- 32.6. 下载一组连续的文件名
- 33. CURL - transfer a URL
- 33.1. 基本用法
- 33.2. 提交表单数据
- 33.3. 上传文件
- 33.4. connect-timeout
- 33.5. max-time
- 33.6. compressed
- 33.7. 代理服务器
- 33.8. -w, --write-out <format> 输出格式定义
- 33.9. -A/--user-agent <agent string>
- 33.10. referer
- 33.11. -v
- 33.12. -o, --output FILE Write output to <file> instead of stdout
- 33.13. -L, --location
- 33.14. -H/--header <line> Custom header to pass to server (H)
- 33.14.1. Last-Modified / If-Modified-Since
- 33.14.2. ETag / If-None-Match
- 33.14.3. Accept-Encoding:gzip,defalte
- 33.14.4. HOST
- 33.14.5. HTTP 认证
- 33.14.6. Accept
- 33.14.7. Content-Type
- 33.15. curl-config
- 33.16. 指定网络接口或者地址
- 33.17. Cookie 处理
- 33.18. Restful 应用 JSON 数据处理
- 33.18.1. Curl Oauth2
- 33.18.2. Curl + Oauth2 + Jwt
- 33.19. 访问自签名证书
- 33.20. HTTP2
- 33.21. FAQ
- 34. 信息摘要
- 34.1. cksum, sum -- display file checksums and block counts
- 34.2. md5sum - compute and check MD5 message digest
- 34.3.
- 35. envsubst - substitutes environment variables in shell format strings
- 35.1. envsubst - substitutes environment variables in shell format strings
- 35.2. parallel - build and execute shell command lines from standard input in parallel
- 35.3. multitail
- 35.4. Logging
- 35.4.1. logger - a shell command interface to the syslog(3) system log module
- 35.5. Password
- 35.5.1. Shadow password suite configuration.
- 35.5.2. newusers - update and create new users in batch
- 35.5.3. chpasswd - update passwords in batch mode
- 35.5.4. sshpass - noninteractive ssh password provider
- 36. 常用命令
- 36.1. 获取IP地址
- 36.2. 有趣的 Shell 应用
- 36.2.1. Ascii 星球大战电影
- 36.2.2. 天气预报
- 36.2.3. htop - interactive process viewer
- 36.2.4. elinks
- 36.2.5. chat
