Many Linux commands come to mind, some of which are unknown, and others are very common, as follows: xargsorparallel: run some programs in parallel. The command has many options: sedandawk: widely known and useful commands for processing text files, such as Python and R
Many Linux commands come to mind, some of which are unknown and others are common, as follows:
- Xargs or parallel: runs some programs in parallel and has many options for commands.
- Sed and awk: widely known and useful command for processing text files, faster than Python and Ruby
- M4: simple macro processing command
- Screen: powerful terminal reuse and session persistence tools, see http://www.ibm.com/developerworks/cn/linux/l-cn-screen/
- Yes: repeated output strings see http://codingstandards.iteye.com/blog/826940
- Cal: very nice calendar
- Env: run a command, which is very useful in scripts.
- Look: search for English words starting with a string
- Cut and paste and join: data operation command
- Fmt: format a text segment
- Pr: format a string of text or a large file in units of a page/column, see the http://hi.baidu.com/mchina_tang/item/1ce11d5d317dfc05aaf6d70d
- Fold: wrap text
- Column: format text into columns or tables
- Expand and unexpand: convert between tabs and spaces
- Nl: add row number
- Seq: print the row number
- Bc: Calculator
- Factor: the factor that outputs an integer. The factor outputs an integer prime factor.
- Nc: Network debugging and data transmission
- Dd: move data between files and devices
- File: determines whether it is a file.
- Stat: view the file status
- Tac: output file content from the last line, which is opposite to cat output
- Shuf: randomly selects data for a file by row.
- Comm: compare an ordered file by row
- Hd and bvi: outputs or edits binary files
- Strings: view the content in the binary file
- Tr: Character translation or operation character
- Iconv or uconv: the string to be converted.
- Split and csplit: divide files
- 7z: compressed files with high compression ratio
- Ldd: View dynamic library information
- Nm: view the symbol table in the target file
- AB: website server stress testing tool
- Strace: Debug System calls
- Mtr: a better route tracking tool for network debugging
- Cssh: visual concurrent shell
- Wireshark and tshark: packet capture and network debugging
- Host and dig: find DNS
- Lsof: View process file descriptors and socket information
- Dstat: a useful statistical tool for system data.
- Iostat: CPU and disk usage statistics
- Htop: Improved version of top
- Last: logon history
- W: current login user
- Id: View user/group representation information
- Sar: Tools for viewing historical system Statistics
- Iftop or nethogs: view the network utilization of the socket or process
- Ss: View statistics
- Dmesg: Startup or system error message
- (Linux) hdparm: displays or sets disk parameters.
- (Linux) lsb_release: view the release version of the linux system
- (Linux) lshw: View hardware information
- Fortune, ddate, and sl: It depends on whether you think the steam engine is more useful than quotes.
For more commands, see Joshua Levy's reply in another Q & A Post, "command line saving skills that every Linux user should understand.
Original article: Quora-Joshua Levy translation: Bole online-Jerry
