Search results
Results from the WOW.Com Content Network
tail has two special command line option -f and -F (follow) that allows a file to be monitored. Instead of just displaying the last few lines and exiting, tail displays the lines and then monitors the file. As new lines are added to the file by another process, tail updates the display. This is particularly useful for monitoring log files.
Changes file group ownership chown: Changes file ownership chmod: Changes the permissions of a file or directory cp: Copies a file or directory dd: Copies and converts a file df: Shows disk free space on file systems dir: Is exactly like "ls -C -b". (Files are by default listed in columns and sorted vertically.) dircolors: Set up color for ls ...
Version 7 AT&T UNIX kill: Process management Mandatory Terminate or signal processes Version 4 AT&T UNIX lex: C programming Optional (CD) Generate programs for lexical tasks: Version 7 AT&T UNIX link: Filesystem Optional (XSI) Create a hard link to a file Version 1 AT&T UNIX ln: Filesystem Mandatory Link files Version 1 AT&T UNIX locale: Misc ...
This subsystem implements only the POSIX.1 standard – also known as IEEE Std 1003.1-1990 or ISO/IEC 9945-1:1990 – primarily covering the kernel and C library programming interfaces which allowed a program written for other POSIX.1-compliant operating systems to be compiled and run under Windows NT. The Windows NT POSIX subsystem did not ...
The collection was last updated externally on April 15, 2003, by Karl M. Syring. The most recent release package available as of December 2016 [update] was an open-source project, UnxUtils at SourceForge , with the latest binary release in March, 2007 (though the files within are dated from the year 2000).
fold is a Unix command used for making a file with long lines more readable on a limited width computer terminal by performing a line wrap. Most Unix terminals have a default screen width of 80, and therefore reading files with long lines could get annoying. The fold command puts a line feed every X characters if it does not reach a new line ...
a - number all lines; t - number lines with printable text only; n - no line numbering; string - number only those lines containing the regular expression defined in the string supplied. The default applied switch is t. nl also supports some command line options.
When it has completed its operation for the last file, paste will output a newline character and move on to the next line. paste exits after all streams return end of file. The number of lines in the output stream will equal the number of lines in the input file with the largest number of lines. Missing values are represented by empty strings.