apropos keyword | U |
Search the manual page names and descriptions. Same as man -k keyword. | |
ff file | A |
Search for a file in a directory hierarchy starting at current dir. Use only for files in lookup protected dirs (mode not 755). For other cases locate is more efficient. | |
find pathname[s] expression[s] | U |
Search for files in a directory hierarchy that fulfill certain conditions. For simple searches locate may be more efficient. In other cases find) described here offers more expressions. An expression consists of options -daystart -depth -help -maxdepth levels -mindepth levels -mount -noleaf -version -xdev tests -amin n -anewer file -atime n -cmin n -cnewer file -ctime n -empty -fstype type -gid n -group gname -ilname pattern -iname pattern -inum n -ipath pattern -iregex pattern -links n -lname pattern -mmin n -mtime n -name pattern -newer file -nouser -nogroup -path pattern -perm mode -regex pattern -size n[bckw] -type c -uid n -used n -user uname -xtype c and actions -exec command ; -fls file -fprint file -fprint0 file -fprintf file format -ok command ; -print True; -print0 -printf format -prune -ls True; combined by operators (an empty operator is the same as -a). ! -not -a -and -o -or , ( ). To find e.g. files larger than 1 MB in the home directory use find HOME -size +1000k -print | |
info [-h] [-f filename] [-n nodename] [-o outputfile] [menuitems] | P |
GNU's hypertext system. Most GNU documentation is accessible as info file. Consult the man page for navigation commands. | |
locate pattern | G |
List files that match pattern. The information is extracted from a database (usually recreated nightly) that contains all files visible on a given machine. To locate e.g. core files in your homedir use locate "HOME*core" | |
man [-a] [[-s] section] program | U |
man -k keyword | |
man -f program | |
Interface to the on-line reference manuals. Print the description for program (in a specific section or with -a in all sections). -k prints one line descriptions for all man pages related to keyword -f prints one line descriptions for all manual sections of program | |
whatis command[s] | U |
Display a one line man page description for command[s]. Same as man -f | |
where command[s] (tcsh and zsh only) | S |
Locate all occurrences of the binary for command[s] in search path. | |
whereis command[s] | U |
Locate all occurrences of the binary, source, and manual page files for command[s] in search path. | |
which command[s] | US |
Show full path of command[s]. In zsh ls =command can also be used. |